diff --git a/public/develop/404.html b/public/develop/404.html
index 1f9aa827e79787739317577cc095e22d3328098a..6d54f2ff4333a35a59e4727464d5b0f27e9dfc98 100644
--- a/public/develop/404.html
+++ b/public/develop/404.html
@@ -565,8 +565,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -579,10 +586,10 @@
       
         
         
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-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -593,8 +600,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
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             NaaS
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@@ -635,10 +642,10 @@
       
         
         
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+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
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-          <label class="md-nav__title" for="__nav_2_3_2">
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+          <label class="md-nav__title" for="__nav_3_2">
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@@ -762,10 +769,10 @@
       
         
         
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+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
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-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
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@@ -868,10 +875,10 @@
       
         
         
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+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
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@@ -966,10 +973,10 @@
       
         
         
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+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -980,8 +987,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4_4">
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+          <label class="md-nav__title" for="__nav_3_4_4">
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             From Service order to services/resources
           </label>
@@ -1072,10 +1079,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1088,10 +1094,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
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-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1102,8 +1108,8 @@
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-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
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@@ -1144,10 +1150,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1158,8 +1164,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1334,10 +1340,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1348,8 +1354,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1453,10 +1459,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1469,10 +1474,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1483,8 +1488,8 @@
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-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1517,10 +1522,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1533,10 +1537,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1547,8 +1551,8 @@
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-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1623,10 +1627,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1639,10 +1642,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1653,8 +1656,8 @@
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-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1729,10 +1732,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1745,10 +1747,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1759,8 +1761,8 @@
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-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
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@@ -1814,14 +1816,6 @@
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-              
-            
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-      
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-  
-
     
       
       
@@ -1837,10 +1831,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1851,8 +1845,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1893,10 +1887,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1907,8 +1901,8 @@
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-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2041,10 +2035,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2055,8 +2049,8 @@
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-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2217,10 +2211,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2231,8 +2225,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/alarms_actions/index.html b/public/develop/alarms_actions/index.html
index 0c42461cd3799b231239df87580b06b5b0c85b1e..6bc4362153153b82f05567f4225dfa3fa866dba9 100644
--- a/public/develop/alarms_actions/index.html
+++ b/public/develop/alarms_actions/index.html
@@ -312,19 +312,17 @@
       
   
   
-    
-  
   
   
     
     
     
     
-    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
+    <li class="md-nav__item md-nav__item--nested">
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" >
         
           
           <label class="md-nav__link" for="__nav_2" id="__nav_2_label" tabindex="0">
@@ -338,7 +336,7 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
             Getting Started
@@ -578,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -592,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -606,8 +611,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -648,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -662,8 +667,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
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-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -789,8 +794,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
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@@ -881,10 +886,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -895,8 +900,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
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@@ -979,10 +984,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -993,8 +998,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1085,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1101,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1115,8 +1119,8 @@
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           </label>
         
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-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1157,10 +1161,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1171,8 +1175,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1347,10 +1351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1361,8 +1365,8 @@
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           </label>
         
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-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1466,10 +1470,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1482,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1496,8 +1499,8 @@
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-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1530,10 +1533,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1546,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1560,8 +1562,8 @@
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-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1636,10 +1638,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1652,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1666,8 +1667,8 @@
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-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1742,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
     
@@ -1760,10 +1760,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" checked>
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1774,8 +1774,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1911,14 +1911,6 @@
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-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1934,10 +1926,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1948,8 +1940,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1990,10 +1982,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2004,8 +1996,8 @@
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-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2138,10 +2130,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2152,8 +2144,8 @@
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-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2314,10 +2306,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2328,8 +2320,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/architecture/architecture/index.html b/public/develop/architecture/architecture/index.html
index 0b0816639f9a0330cfbc22676a75fe0223025a5b..eb790e0756f88fb0dc0a864951e1dfbbf8fbf551 100644
--- a/public/develop/architecture/architecture/index.html
+++ b/public/develop/architecture/architecture/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -590,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -604,8 +611,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -646,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -660,8 +667,8 @@
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           </label>
         
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-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -773,10 +780,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -787,8 +794,8 @@
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-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -879,10 +886,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -893,8 +900,8 @@
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-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -977,10 +984,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -991,8 +998,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1083,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1113,8 +1119,8 @@
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-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1155,10 +1161,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1169,8 +1175,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1345,10 +1351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1359,8 +1365,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1464,10 +1470,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1480,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1494,8 +1499,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1528,10 +1533,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1544,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1558,8 +1562,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1634,10 +1638,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1650,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1664,8 +1667,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1740,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1770,8 +1772,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1825,14 +1827,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1850,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1864,8 +1858,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1955,10 +1949,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1969,8 +1963,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2103,10 +2097,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2117,8 +2111,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2279,10 +2273,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2293,8 +2287,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/architecture/centrallog/index.html b/public/develop/architecture/centrallog/index.html
index b6b01e5d050a0a4ca404076c0f01e0c324b39e2e..1ae80a9bd1a3ff2577e0280d2ef6f8f1347690b6 100644
--- a/public/develop/architecture/centrallog/index.html
+++ b/public/develop/architecture/centrallog/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -590,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -604,8 +611,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -646,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -660,8 +667,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -773,10 +780,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -787,8 +794,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -879,10 +886,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -893,8 +900,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -977,10 +984,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -991,8 +998,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1083,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1113,8 +1119,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1155,10 +1161,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1169,8 +1175,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1345,10 +1351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1359,8 +1365,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1464,10 +1470,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1480,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1494,8 +1499,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1528,10 +1533,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1544,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1558,8 +1562,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1634,10 +1638,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1650,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1664,8 +1667,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1740,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1770,8 +1772,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1825,14 +1827,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1850,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1864,8 +1858,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1906,10 +1900,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1920,8 +1914,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2054,10 +2048,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2068,8 +2062,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2240,10 +2234,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2254,8 +2248,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/architecture/consumingServicesFromExternalPartners/index.html b/public/develop/architecture/consumingServicesFromExternalPartners/index.html
index 950580e50e21f616fba2310b211d78631b0c6ea4..602b59bb84f25e6972432d5cfcf44bf3370b325a 100644
--- a/public/develop/architecture/consumingServicesFromExternalPartners/index.html
+++ b/public/develop/architecture/consumingServicesFromExternalPartners/index.html
@@ -629,8 +629,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -643,10 +650,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -657,8 +664,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -699,10 +706,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -713,8 +720,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -826,10 +833,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -840,8 +847,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -932,10 +939,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -946,8 +953,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -1030,10 +1037,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1044,8 +1051,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1136,10 +1143,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1152,10 +1158,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1166,8 +1172,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1208,10 +1214,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1222,8 +1228,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1398,10 +1404,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1412,8 +1418,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1517,10 +1523,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1533,10 +1538,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1547,8 +1552,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1581,10 +1586,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1597,10 +1601,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1611,8 +1615,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1687,10 +1691,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1703,10 +1706,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1717,8 +1720,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1793,10 +1796,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1809,10 +1811,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1823,8 +1825,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1878,14 +1880,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1901,10 +1895,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1915,8 +1909,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1957,10 +1951,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1971,8 +1965,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2105,10 +2099,10 @@
       
         
         
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+          <label class="md-nav__title" for="__nav_10">
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--- a/public/develop/architecture/issuemgt/index.html
+++ b/public/develop/architecture/issuemgt/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
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@@ -590,10 +597,10 @@
       
         
         
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@@ -1083,10 +1090,9 @@
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-              
-            
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+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
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+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
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+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
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-              
-            
-              
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+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
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@@ -1740,10 +1743,9 @@
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-              
-            
-              
-                
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+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
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+          <label class="md-nav__title" for="__nav_8">
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@@ -1850,10 +1844,10 @@
       
         
         
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+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
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             Cloud native support
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@@ -2054,10 +2048,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
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+          <label class="md-nav__title" for="__nav_9_6">
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@@ -2240,10 +2234,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
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+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2254,8 +2248,8 @@
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+          <label class="md-nav__title" for="__nav_10">
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diff --git a/public/develop/architecture/messagebus/index.html b/public/develop/architecture/messagebus/index.html
index b5008e021dcf1c4bcd038b5202b665e855890feb..b55c0a9d539a075a6e417f01b170e0b4d152c17f 100644
--- a/public/develop/architecture/messagebus/index.html
+++ b/public/develop/architecture/messagebus/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
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+  
+
+    
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@@ -590,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
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+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -604,8 +611,8 @@
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+          <label class="md-nav__title" for="__nav_3">
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-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
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+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
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   <span class="md-ellipsis">
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@@ -879,10 +886,10 @@
       
         
         
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   <span class="md-ellipsis">
@@ -893,8 +900,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
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@@ -977,10 +984,10 @@
       
         
         
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+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
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+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1083,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1113,8 +1119,8 @@
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-          <label class="md-nav__title" for="__nav_2_4">
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+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
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@@ -1155,10 +1161,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1169,8 +1175,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1345,10 +1351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1359,8 +1365,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
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@@ -1464,10 +1470,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1480,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1494,8 +1499,8 @@
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+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1528,10 +1533,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1544,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1558,8 +1562,8 @@
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+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
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@@ -1634,10 +1638,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1650,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1664,8 +1667,8 @@
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+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1740,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1770,8 +1772,8 @@
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+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
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@@ -1825,14 +1827,6 @@
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-              
-            
-          </ul>
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-      
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-  
-
     
       
       
@@ -1850,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1864,8 +1858,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1906,10 +1900,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1920,8 +1914,8 @@
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-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2103,10 +2097,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2117,8 +2111,8 @@
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-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2279,10 +2273,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2293,8 +2287,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
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diff --git a/public/develop/architecture/nfvapi/index.html b/public/develop/architecture/nfvapi/index.html
index 8d6f4910e5b14722477afffb3d3dec52acf829a6..f86d991d2b8b2ded25afbfcdbfc634f9fa0f6946 100644
--- a/public/develop/architecture/nfvapi/index.html
+++ b/public/develop/architecture/nfvapi/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -590,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -604,8 +611,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -646,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -660,8 +667,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -773,10 +780,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -787,8 +794,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -879,10 +886,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -893,8 +900,8 @@
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-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
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           </label>
@@ -977,10 +984,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -991,8 +998,8 @@
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-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1083,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1113,8 +1119,8 @@
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+          <label class="md-nav__title" for="__nav_4">
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@@ -1155,10 +1161,10 @@
       
         
         
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-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1169,8 +1175,8 @@
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+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
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@@ -1345,10 +1351,10 @@
       
         
         
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+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1359,8 +1365,8 @@
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+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1464,10 +1470,9 @@
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-              
-            
-              
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+      
+      
   
   
   
@@ -1480,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1494,8 +1499,8 @@
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-          <label class="md-nav__title" for="__nav_2_5">
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+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1528,10 +1533,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1544,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1558,8 +1562,8 @@
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-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
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             Testing services
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@@ -1634,10 +1638,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1650,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1664,8 +1667,8 @@
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-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1740,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1770,8 +1772,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1825,14 +1827,6 @@
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-              
-            
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-      
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-  
-
     
       
       
@@ -1850,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1864,8 +1858,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1906,10 +1900,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1920,8 +1914,8 @@
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-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2056,10 +2050,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" checked>
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2070,8 +2064,8 @@
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-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2290,10 +2284,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2304,8 +2298,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/architecture/nfvweb/index.html b/public/develop/architecture/nfvweb/index.html
index e11a729fb8cf0e1e8e18cca246f832a1b29b1711..5e0d1bbb044481d87de84cc9c7baa8fdc208fec5 100644
--- a/public/develop/architecture/nfvweb/index.html
+++ b/public/develop/architecture/nfvweb/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -590,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -604,8 +611,8 @@
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           </label>
         
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -646,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -660,8 +667,8 @@
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-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -773,10 +780,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -787,8 +794,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -879,10 +886,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -893,8 +900,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
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           </label>
@@ -977,10 +984,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -991,8 +998,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1083,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1113,8 +1119,8 @@
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-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1155,10 +1161,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1169,8 +1175,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1345,10 +1351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1359,8 +1365,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1464,10 +1470,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1480,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1494,8 +1499,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1528,10 +1533,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1544,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1558,8 +1562,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1634,10 +1638,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1650,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1664,8 +1667,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1740,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1770,8 +1772,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1825,14 +1827,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1850,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1864,8 +1858,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1906,10 +1900,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1920,8 +1914,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2054,10 +2048,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2068,8 +2062,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2240,10 +2234,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2254,8 +2248,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/architecture/oauth/index.html b/public/develop/architecture/oauth/index.html
index 1167d1bdf388b33a41c2ffe697bf9e5883d094a1..05c6d07532c1ce42364faed4b2266acf9b0ad30d 100644
--- a/public/develop/architecture/oauth/index.html
+++ b/public/develop/architecture/oauth/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -590,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -604,8 +611,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -646,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -660,8 +667,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -773,10 +780,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -787,8 +794,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -879,10 +886,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -893,8 +900,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -977,10 +984,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -991,8 +998,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1083,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1113,8 +1119,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1155,10 +1161,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1169,8 +1175,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1345,10 +1351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1359,8 +1365,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1464,10 +1470,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1480,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1494,8 +1499,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1528,10 +1533,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1544,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1558,8 +1562,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1634,10 +1638,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1650,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1664,8 +1667,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1740,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1770,8 +1772,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1825,14 +1827,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1850,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1864,8 +1858,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
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+          <label class="md-nav__title" for="__nav_10">
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diff --git a/public/develop/architecture/osom/index.html b/public/develop/architecture/osom/index.html
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--- a/public/develop/architecture/osom/index.html
+++ b/public/develop/architecture/osom/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
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@@ -590,10 +597,10 @@
       
         
         
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+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
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@@ -1083,10 +1090,9 @@
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-              
-            
-              
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+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
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+          <label class="md-nav__title" for="__nav_4_2">
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+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
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-              
-            
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+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
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@@ -1528,10 +1533,9 @@
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-              
-            
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+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
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@@ -1558,8 +1562,8 @@
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@@ -1634,10 +1638,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
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-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
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+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
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+          <label class="md-nav__title" for="__nav_7">
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@@ -1740,10 +1743,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
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+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
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@@ -1770,8 +1772,8 @@
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+          <label class="md-nav__title" for="__nav_8">
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             Assurance services
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@@ -1825,14 +1827,6 @@
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@@ -1850,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1864,8 +1858,8 @@
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-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
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             <span class="md-nav__icon md-icon"></span>
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@@ -1906,10 +1900,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
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+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1920,8 +1914,8 @@
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+          <label class="md-nav__title" for="__nav_9_2">
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             Cloud native support
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@@ -2166,10 +2160,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2180,8 +2174,8 @@
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+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
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@@ -2342,10 +2336,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2356,8 +2350,8 @@
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-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
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diff --git a/public/develop/architecture/tmfapi/index.html b/public/develop/architecture/tmfapi/index.html
index cc00a026cd995a5f216c3cb2bd2350b88da712e6..8ae0d8a163c4bb123e3a80046444664f0bcf32fb 100644
--- a/public/develop/architecture/tmfapi/index.html
+++ b/public/develop/architecture/tmfapi/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -590,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -604,8 +611,8 @@
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+          <label class="md-nav__title" for="__nav_3">
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@@ -646,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
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-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -660,8 +667,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
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@@ -773,10 +780,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
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-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -787,8 +794,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -879,10 +886,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -893,8 +900,8 @@
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-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -977,10 +984,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -991,8 +998,8 @@
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-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1083,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1113,8 +1119,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1155,10 +1161,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1169,8 +1175,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1345,10 +1351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1359,8 +1365,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1464,10 +1470,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1480,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1494,8 +1499,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1528,10 +1533,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1544,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1558,8 +1562,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1634,10 +1638,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1650,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1664,8 +1667,8 @@
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-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1740,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1770,8 +1772,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1825,14 +1827,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1850,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1864,8 +1858,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1906,10 +1900,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1920,8 +1914,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2056,10 +2050,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" checked>
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2070,8 +2064,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2305,10 +2299,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2319,8 +2313,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/architecture/tmfweb/index.html b/public/develop/architecture/tmfweb/index.html
index 67c654247f6eb64e9864daae5880142f7f9b5013..20dafaec6bf15d9a55a8791fad5a1b3315bb395f 100644
--- a/public/develop/architecture/tmfweb/index.html
+++ b/public/develop/architecture/tmfweb/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -590,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -604,8 +611,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -646,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -660,8 +667,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -773,10 +780,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -787,8 +794,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -879,10 +886,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -893,8 +900,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -977,10 +984,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -991,8 +998,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1083,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1113,8 +1119,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1155,10 +1161,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1169,8 +1175,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1345,10 +1351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1359,8 +1365,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1464,10 +1470,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1480,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1494,8 +1499,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1528,10 +1533,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1544,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1558,8 +1562,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1634,10 +1638,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1650,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1664,8 +1667,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1740,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1770,8 +1772,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1825,14 +1827,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1850,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1864,8 +1858,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1906,10 +1900,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1920,8 +1914,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2054,10 +2048,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2068,8 +2062,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2240,10 +2234,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2254,8 +2248,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/catalogs/index.html b/public/develop/catalogs/index.html
index 534a9a1d69f3f84808da6b22cab743118c738ec8..05f1cafa90d1604f07af627ca6d45c771e82d18c 100644
--- a/public/develop/catalogs/index.html
+++ b/public/develop/catalogs/index.html
@@ -572,8 +572,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -586,10 +593,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -600,8 +607,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -642,10 +649,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -656,8 +663,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -769,10 +776,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -783,8 +790,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -875,10 +882,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -889,8 +896,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -973,10 +980,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -987,8 +994,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1079,10 +1086,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1095,10 +1101,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1109,8 +1115,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1151,10 +1157,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1165,8 +1171,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1341,10 +1347,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1355,8 +1361,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1460,10 +1466,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1476,10 +1481,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1490,8 +1495,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1524,10 +1529,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1540,10 +1544,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1554,8 +1558,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1630,10 +1634,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1646,10 +1649,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1660,8 +1663,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1736,10 +1739,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1752,10 +1754,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1766,8 +1768,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1821,14 +1823,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1844,10 +1838,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1858,8 +1852,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1900,10 +1894,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1914,8 +1908,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2048,10 +2042,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2062,8 +2056,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2224,10 +2218,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2238,8 +2232,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/config_intro/index.html b/public/develop/config_intro/index.html
index 4b58a1e374af4705ee5fd2396a5b2e082217d7cb..c7e96655398ccec9856d93e63893dc6d551aab68 100644
--- a/public/develop/config_intro/index.html
+++ b/public/develop/config_intro/index.html
@@ -583,8 +583,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -597,10 +604,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -611,8 +618,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -653,10 +660,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -667,8 +674,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -780,10 +787,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -794,8 +801,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -886,10 +893,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -900,8 +907,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -984,10 +991,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -998,8 +1005,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1090,10 +1097,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1106,10 +1112,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1120,8 +1126,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1162,10 +1168,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1176,8 +1182,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1352,10 +1358,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1366,8 +1372,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1471,10 +1477,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1487,10 +1492,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1501,8 +1506,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1535,10 +1540,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1551,10 +1555,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1565,8 +1569,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1641,10 +1645,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1657,10 +1660,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1671,8 +1674,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1747,10 +1750,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1763,10 +1765,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1777,8 +1779,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1832,14 +1834,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1855,10 +1849,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1869,8 +1863,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
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@@ -1911,10 +1905,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1925,8 +1919,8 @@
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-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
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@@ -2059,10 +2053,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2073,8 +2067,8 @@
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-          <label class="md-nav__title" for="__nav_3_6">
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+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
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@@ -2235,10 +2229,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2249,8 +2243,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
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diff --git a/public/develop/contributing/developing/index.html b/public/develop/contributing/developing/index.html
index 5bc07fffe4961561194d082c71df724bde894a60..306808703a3daab961fc97816963ed13671b5c0d 100644
--- a/public/develop/contributing/developing/index.html
+++ b/public/develop/contributing/developing/index.html
@@ -576,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -590,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -604,8 +611,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
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             NaaS
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@@ -646,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -660,8 +667,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
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@@ -773,10 +780,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -787,8 +794,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_3">
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+          <label class="md-nav__title" for="__nav_3_3">
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             Resources
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+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -893,8 +900,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
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@@ -977,10 +984,10 @@
       
         
         
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+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -991,8 +998,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1083,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1099,10 +1105,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1113,8 +1119,8 @@
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+          <label class="md-nav__title" for="__nav_4">
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@@ -1155,10 +1161,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1169,8 +1175,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
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@@ -1345,10 +1351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1359,8 +1365,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1464,10 +1470,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1480,10 +1485,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1494,8 +1499,8 @@
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-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1528,10 +1533,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1544,10 +1548,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1558,8 +1562,8 @@
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-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1634,10 +1638,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1650,10 +1653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1664,8 +1667,8 @@
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-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1740,10 +1743,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1756,10 +1758,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1770,8 +1772,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
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@@ -1825,14 +1827,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1848,10 +1842,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1862,8 +1856,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1904,10 +1898,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1918,8 +1912,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2052,10 +2046,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2066,8 +2060,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2230,10 +2224,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" checked>
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2244,8 +2238,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/contributing/wishlist/index.html b/public/develop/contributing/wishlist/index.html
index da6007cb094e930628d71b6d34c37c8eeb0dfd83..1f73b887c1773575a214050983e2f1f97b59c850 100644
--- a/public/develop/contributing/wishlist/index.html
+++ b/public/develop/contributing/wishlist/index.html
@@ -572,8 +572,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -586,10 +593,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -600,8 +607,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -642,10 +649,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -656,8 +663,8 @@
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-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -769,10 +776,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -783,8 +790,8 @@
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-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -875,10 +882,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -889,8 +896,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -973,10 +980,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -987,8 +994,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1079,10 +1086,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1095,10 +1101,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1109,8 +1115,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1151,10 +1157,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1165,8 +1171,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1341,10 +1347,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1355,8 +1361,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1460,10 +1466,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1476,10 +1481,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1490,8 +1495,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1524,10 +1529,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1540,10 +1544,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1554,8 +1558,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1630,10 +1634,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1646,10 +1649,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1660,8 +1663,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1736,10 +1739,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1752,10 +1754,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1766,8 +1768,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1821,14 +1823,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1844,10 +1838,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1858,8 +1852,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1900,10 +1894,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1914,8 +1908,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2048,10 +2042,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2062,8 +2056,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2224,10 +2218,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2238,8 +2232,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/deployment/index.html b/public/develop/deployment/index.html
index c39cb30bea78ee4bacbf9bc9ddae0f6ab634ce86..c3c585dda81a865f89bc0774b189d718f2261fad 100644
--- a/public/develop/deployment/index.html
+++ b/public/develop/deployment/index.html
@@ -629,8 +629,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -643,10 +650,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -657,8 +664,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -699,10 +706,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -713,8 +720,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -826,10 +833,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -840,8 +847,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -932,10 +939,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -946,8 +953,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
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-          <label class="md-nav__title" for="__nav_2_3_4">
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+          <label class="md-nav__title" for="__nav_3_4_4">
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@@ -1136,10 +1143,9 @@
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-              
-            
-              
-                
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+      
   
   
   
@@ -1152,10 +1158,10 @@
       
         
         
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+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
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+          <label class="md-nav__title" for="__nav_4_2">
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+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
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             LCM Rules
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@@ -1517,10 +1523,9 @@
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-              
-            
-              
-                
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+      
+      
   
   
   
@@ -1533,10 +1538,10 @@
       
         
         
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-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1547,8 +1552,8 @@
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             <span class="md-nav__icon md-icon"></span>
             Service Ordering
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@@ -1581,10 +1586,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1597,10 +1601,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
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+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1611,8 +1615,8 @@
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             Testing services
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@@ -1687,10 +1691,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1703,10 +1706,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
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+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1717,8 +1720,8 @@
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             Service as a Product
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@@ -1793,10 +1796,9 @@
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-              
-            
-              
-                
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+      
+      
   
   
   
@@ -1809,10 +1811,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
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+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1823,8 +1825,8 @@
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+          <label class="md-nav__title" for="__nav_8">
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             Assurance services
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@@ -1878,14 +1880,6 @@
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-              
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-  
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@@ -1901,10 +1895,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1915,8 +1909,8 @@
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@@ -1957,10 +1951,10 @@
       
         
         
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   <span class="md-ellipsis">
@@ -1971,8 +1965,8 @@
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             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2105,10 +2099,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2119,8 +2113,8 @@
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+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
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@@ -2281,10 +2275,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2295,8 +2289,8 @@
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-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
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diff --git a/public/develop/deploymentCompose/index.html b/public/develop/deploymentCompose/index.html
index d2c160ed3a6f40a8fddfe829ce499dbc8c782cde..9b32aaa6c81b8dfdd2f54a83e851afb0441bcc18 100644
--- a/public/develop/deploymentCompose/index.html
+++ b/public/develop/deploymentCompose/index.html
@@ -935,8 +935,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -949,10 +956,10 @@
       
         
         
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+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -963,8 +970,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -1005,10 +1012,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1019,8 +1026,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
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             Services
           </label>
@@ -1132,10 +1139,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
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+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1146,8 +1153,8 @@
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+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
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@@ -1238,10 +1245,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1252,8 +1259,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
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           </label>
@@ -1336,10 +1343,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
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+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1350,8 +1357,8 @@
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+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1442,10 +1449,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1458,10 +1464,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1472,8 +1478,8 @@
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@@ -1514,10 +1520,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
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+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1528,8 +1534,8 @@
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+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
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@@ -1704,10 +1710,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
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@@ -1718,8 +1724,8 @@
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+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
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@@ -1823,10 +1829,9 @@
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-              
-            
-              
-                
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+      
+      
   
   
   
@@ -1839,10 +1844,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
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-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1853,8 +1858,8 @@
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+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1887,10 +1892,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1903,10 +1907,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1917,8 +1921,8 @@
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-          <label class="md-nav__title" for="__nav_2_6">
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+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1993,10 +1997,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -2009,10 +2012,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2023,8 +2026,8 @@
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+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -2099,10 +2102,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -2115,10 +2117,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2129,8 +2131,8 @@
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-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
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@@ -2184,14 +2186,6 @@
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-              
-            
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-      
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-  
-
     
       
       
@@ -2207,10 +2201,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2221,8 +2215,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
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             Design & Architecture
           </label>
@@ -2263,10 +2257,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2277,8 +2271,8 @@
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-          <label class="md-nav__title" for="__nav_3_2">
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+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2411,10 +2405,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2425,8 +2419,8 @@
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-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2587,10 +2581,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2601,8 +2595,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
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diff --git a/public/develop/deploymentK8s/index.html b/public/develop/deploymentK8s/index.html
index f22852b772b33e8705e3b48aaa4c32093c72d240..1529325ff4b529f0a66ab5e60092b936f7ba12d7 100644
--- a/public/develop/deploymentK8s/index.html
+++ b/public/develop/deploymentK8s/index.html
@@ -629,8 +629,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -643,10 +650,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -657,8 +664,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -699,10 +706,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -713,8 +720,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -826,10 +833,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -840,8 +847,8 @@
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           </label>
         
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-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -932,10 +939,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -946,8 +953,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
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           </label>
@@ -1030,10 +1037,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
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+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1044,8 +1051,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1136,10 +1143,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1152,10 +1158,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1166,8 +1172,8 @@
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+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1208,10 +1214,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
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+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1222,8 +1228,8 @@
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+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1398,10 +1404,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1412,8 +1418,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1517,10 +1523,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1533,10 +1538,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1547,8 +1552,8 @@
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           </label>
         
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-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1581,10 +1586,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1597,10 +1601,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1611,8 +1615,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1687,10 +1691,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1703,10 +1706,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1717,8 +1720,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1793,10 +1796,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1809,10 +1811,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
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-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1823,8 +1825,8 @@
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-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
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@@ -1878,14 +1880,6 @@
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-  
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@@ -1901,10 +1895,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
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-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1915,8 +1909,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
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@@ -1957,10 +1951,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1971,8 +1965,8 @@
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-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2105,10 +2099,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2119,8 +2113,8 @@
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-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2281,10 +2275,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2295,8 +2289,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
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diff --git a/public/develop/index.html b/public/develop/index.html
index 094ac3787744fdf8e803553cd20d2fa2985ade30..3963e4456da9e4c709990f7273728f8e188c6133 100644
--- a/public/develop/index.html
+++ b/public/develop/index.html
@@ -705,8 +705,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -719,10 +726,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -733,8 +740,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -775,10 +782,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -789,8 +796,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -902,10 +909,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -916,8 +923,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -1008,10 +1015,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1022,8 +1029,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
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@@ -1106,10 +1113,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1120,8 +1127,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1212,10 +1219,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1228,10 +1234,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1242,8 +1248,8 @@
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-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
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           </label>
@@ -1284,10 +1290,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1298,8 +1304,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1474,10 +1480,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1488,8 +1494,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1593,10 +1599,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1609,10 +1614,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1623,8 +1628,8 @@
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-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1657,10 +1662,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1673,10 +1677,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1687,8 +1691,8 @@
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-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1763,10 +1767,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1779,10 +1782,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1793,8 +1796,8 @@
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           </label>
         
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-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1869,10 +1872,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1885,10 +1887,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1899,8 +1901,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1954,14 +1956,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1977,10 +1971,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1991,8 +1985,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -2033,10 +2027,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2047,8 +2041,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2181,10 +2175,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2195,8 +2189,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2357,10 +2351,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2371,8 +2365,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/lcm/index.html b/public/develop/lcm/index.html
index 2b3e4eeefc228be974557c8d0b410b6f45371931..53e4c9aaac73b23fc7c7f90a2d78547825415368 100644
--- a/public/develop/lcm/index.html
+++ b/public/develop/lcm/index.html
@@ -572,8 +572,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -586,10 +593,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -600,8 +607,8 @@
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           </label>
         
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -642,10 +649,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -656,8 +663,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -769,10 +776,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -783,8 +790,8 @@
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-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -875,10 +882,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -889,8 +896,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -973,10 +980,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -987,8 +994,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1079,10 +1086,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1095,10 +1101,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1109,8 +1115,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1151,10 +1157,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1165,8 +1171,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1341,10 +1347,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1355,8 +1361,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1460,10 +1466,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1476,10 +1481,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1490,8 +1495,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1524,10 +1529,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1540,10 +1544,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1554,8 +1558,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1630,10 +1634,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1646,10 +1649,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1660,8 +1663,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1736,10 +1739,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1752,10 +1754,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1766,8 +1768,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1821,14 +1823,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1844,10 +1838,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1858,8 +1852,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1900,10 +1894,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1914,8 +1908,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2048,10 +2042,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2062,8 +2056,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2224,10 +2218,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2238,8 +2232,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/nfvcatalogs/index.html b/public/develop/nfvcatalogs/index.html
index 970cc80feba95192c217ac624f702d9427fcf8eb..53f9260dda1596d1b59ca7941637c494b1a4b028 100644
--- a/public/develop/nfvcatalogs/index.html
+++ b/public/develop/nfvcatalogs/index.html
@@ -312,19 +312,17 @@
       
   
   
-    
-  
   
   
     
     
     
     
-    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
+    <li class="md-nav__item md-nav__item--nested">
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" >
         
           
           <label class="md-nav__link" for="__nav_2" id="__nav_2_label" tabindex="0">
@@ -338,7 +336,7 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
             Getting Started
@@ -578,8 +576,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -592,10 +597,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -606,8 +611,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -648,10 +653,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -662,8 +667,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
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@@ -775,10 +780,10 @@
       
         
         
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-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -789,8 +794,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
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             <span class="md-nav__icon md-icon"></span>
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@@ -881,10 +886,10 @@
       
         
         
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+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -895,8 +900,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
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@@ -979,10 +984,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -993,8 +998,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1085,10 +1090,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
     
@@ -1103,10 +1107,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" checked>
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1117,8 +1121,8 @@
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-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1159,10 +1163,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1173,8 +1177,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1398,10 +1402,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1412,8 +1416,8 @@
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-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1517,10 +1521,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1533,10 +1536,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1547,8 +1550,8 @@
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+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1581,10 +1584,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1597,10 +1599,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1611,8 +1613,8 @@
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+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1687,10 +1689,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1703,10 +1704,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1717,8 +1718,8 @@
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-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1793,10 +1794,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1809,10 +1809,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1823,8 +1823,8 @@
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-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
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@@ -1878,14 +1878,6 @@
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-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1901,10 +1893,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1915,8 +1907,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1957,10 +1949,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1971,8 +1963,8 @@
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-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2105,10 +2097,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2119,8 +2111,8 @@
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+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2281,10 +2273,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2295,8 +2287,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/nfvoconfig/index.html b/public/develop/nfvoconfig/index.html
index 4613185a9d1b0542bd5c4f8eef01cf49456aaec7..3d7dc3940f8f764dba5478732a7c72311c643b1f 100644
--- a/public/develop/nfvoconfig/index.html
+++ b/public/develop/nfvoconfig/index.html
@@ -590,8 +590,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -604,10 +611,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -618,8 +625,8 @@
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-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -660,10 +667,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -674,8 +681,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -787,10 +794,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -801,8 +808,8 @@
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           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -893,10 +900,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -907,8 +914,8 @@
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-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -991,10 +998,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1005,8 +1012,8 @@
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-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1097,10 +1104,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1113,10 +1119,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1127,8 +1133,8 @@
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-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1169,10 +1175,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1183,8 +1189,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1359,10 +1365,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1373,8 +1379,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1478,10 +1484,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1494,10 +1499,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1508,8 +1513,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1542,10 +1547,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1558,10 +1562,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1572,8 +1576,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1648,10 +1652,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1664,10 +1667,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1678,8 +1681,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1754,10 +1757,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1770,10 +1772,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1784,8 +1786,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1839,14 +1841,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1862,10 +1856,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1876,8 +1870,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1918,10 +1912,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1932,8 +1926,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2066,10 +2060,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2080,8 +2074,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2242,10 +2236,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2256,8 +2250,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/service_design_intro/index.html b/public/develop/service_design_intro/index.html
index ab66bf34a16c29e695fe11308378a0dced573058..5eda0d6e0f85c19feb045eebc855d392bf21a987 100644
--- a/public/develop/service_design_intro/index.html
+++ b/public/develop/service_design_intro/index.html
@@ -307,19 +307,17 @@
       
   
   
-    
-  
   
   
     
     
     
     
-    <li class="md-nav__item md-nav__item--active md-nav__item--nested">
+    <li class="md-nav__item md-nav__item--nested">
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2" >
         
           
           <label class="md-nav__link" for="__nav_2" id="__nav_2_label" tabindex="0">
@@ -333,7 +331,7 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="true">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_2_label" aria-expanded="false">
           <label class="md-nav__title" for="__nav_2">
             <span class="md-nav__icon md-icon"></span>
             Getting Started
@@ -573,8 +571,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -587,10 +592,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -601,8 +606,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -643,10 +648,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -657,8 +662,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -770,10 +775,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -784,8 +789,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -876,10 +881,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -890,8 +895,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -974,10 +979,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -988,8 +993,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1080,10 +1085,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
     
@@ -1098,10 +1102,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" checked>
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1112,8 +1116,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1162,10 +1166,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1176,8 +1180,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1352,10 +1356,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1366,8 +1370,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1471,10 +1475,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1487,10 +1490,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1501,8 +1504,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1535,10 +1538,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1551,10 +1553,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1565,8 +1567,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1641,10 +1643,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1657,10 +1658,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1671,8 +1672,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1747,10 +1748,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1763,10 +1763,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1777,8 +1777,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1832,14 +1832,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1855,10 +1847,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1869,8 +1861,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1911,10 +1903,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1925,8 +1917,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2059,10 +2051,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2073,8 +2065,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2235,10 +2227,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2249,8 +2241,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/service_inventory/index.html b/public/develop/service_inventory/index.html
index 8f61e79727226e36865c5692861339a73c64c85c..9ec653a5ef504c73f4a7ad0a167ed1718ae063fc 100644
--- a/public/develop/service_inventory/index.html
+++ b/public/develop/service_inventory/index.html
@@ -572,8 +572,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
+      
   
   
   
@@ -586,10 +593,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -600,8 +607,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -642,10 +649,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -656,8 +663,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -769,10 +776,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -783,8 +790,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -875,10 +882,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -889,8 +896,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -973,10 +980,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -987,8 +994,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1079,10 +1086,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1095,10 +1101,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1109,8 +1115,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1151,10 +1157,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1165,8 +1171,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1341,10 +1347,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1355,8 +1361,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1460,10 +1466,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1476,10 +1481,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1490,8 +1495,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1524,10 +1529,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1540,10 +1544,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1554,8 +1558,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1630,10 +1634,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1646,10 +1649,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1660,8 +1663,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1736,10 +1739,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1752,10 +1754,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1766,8 +1768,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -1821,14 +1823,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -1844,10 +1838,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1858,8 +1852,8 @@
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+          <label class="md-nav__title" for="__nav_9_2">
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+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
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+          <label class="md-nav__title" for="__nav_10">
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diff --git a/public/develop/terminology/index.html b/public/develop/terminology/index.html
index 8d4f19b5fc9f768ad775edf20ff3b983d230c064..d5c27a7bf7f80d0fa5a6341c5dc83c3e54bac50e 100644
--- a/public/develop/terminology/index.html
+++ b/public/develop/terminology/index.html
@@ -569,8 +569,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
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@@ -583,10 +590,10 @@
       
         
         
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+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
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+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
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+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
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@@ -984,8 +991,8 @@
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+          <label class="md-nav__title" for="__nav_3_4_4">
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           </label>
@@ -1076,10 +1083,9 @@
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-              
-            
-              
-                
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+      
+      
   
   
   
@@ -1092,10 +1098,10 @@
       
         
         
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@@ -1106,8 +1112,8 @@
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+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
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-              
-            
-              
-                
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-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
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+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
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@@ -1487,8 +1492,8 @@
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@@ -1521,10 +1526,9 @@
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-              
-            
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-                
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+      
+      
   
   
   
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-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
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+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
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@@ -1551,8 +1555,8 @@
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+          <label class="md-nav__title" for="__nav_6">
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             Testing services
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@@ -1627,10 +1631,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1643,10 +1646,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
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+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
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@@ -1657,8 +1660,8 @@
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+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
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@@ -1733,10 +1736,9 @@
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-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1749,10 +1751,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1763,8 +1765,8 @@
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+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
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@@ -1818,14 +1820,6 @@
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@@ -1841,10 +1835,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1855,8 +1849,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -1897,10 +1891,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" >
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1911,8 +1905,8 @@
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-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2045,10 +2039,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2059,8 +2053,8 @@
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-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
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@@ -2221,10 +2215,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2235,8 +2229,8 @@
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-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>
diff --git a/public/develop/under_construction/index.html b/public/develop/under_construction/index.html
index 74b8f858ca1d99090b759a98ad042e3cad572a82..80be1f035129f6935c543d427e50d5a43e726124 100644
--- a/public/develop/under_construction/index.html
+++ b/public/develop/under_construction/index.html
@@ -587,8 +587,15 @@
 
               
             
-              
-                
+          </ul>
+        </nav>
+      
+    </li>
+  
+
+    
+      
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@@ -601,10 +608,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3" id="__nav_2_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -615,8 +622,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3">
             <span class="md-nav__icon md-icon"></span>
             NaaS
           </label>
@@ -665,10 +672,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_2" id="__nav_2_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -679,8 +686,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_2">
             <span class="md-nav__icon md-icon"></span>
             Services
           </label>
@@ -824,10 +831,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_3" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_3" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_3" id="__nav_2_3_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_3" id="__nav_3_3_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -838,8 +845,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_3_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_3">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_3_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_3">
             <span class="md-nav__icon md-icon"></span>
             Resources
           </label>
@@ -954,10 +961,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4" id="__nav_2_3_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4" id="__nav_3_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -968,8 +975,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_3_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4">
             <span class="md-nav__icon md-icon"></span>
             Service orchestration
           </label>
@@ -1076,10 +1083,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_3_4_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_4_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_3_4_4" id="__nav_2_3_4_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_3_4_4" id="__nav_3_4_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1090,8 +1097,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="4" aria-labelledby="__nav_2_3_4_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_3_4_4">
+        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_3_4_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_3_4_4">
             <span class="md-nav__icon md-icon"></span>
             From Service order to services/resources
           </label>
@@ -1206,10 +1213,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1222,10 +1228,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
         
           
-          <label class="md-nav__link" for="__nav_2_4" id="__nav_2_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1236,8 +1242,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4">
             <span class="md-nav__icon md-icon"></span>
             Service design
           </label>
@@ -1278,10 +1284,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_2" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_2" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_2" id="__nav_2_4_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_2" id="__nav_4_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1292,8 +1298,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_2_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_2_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_2">
             <span class="md-nav__icon md-icon"></span>
             Support for Kubernetes
           </label>
@@ -1492,10 +1498,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_4_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_4_5" id="__nav_2_4_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_4_5" id="__nav_4_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1506,8 +1512,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="3" aria-labelledby="__nav_2_4_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_4_5">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_4_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_4_5">
             <span class="md-nav__icon md-icon"></span>
             LCM Rules
           </label>
@@ -1643,10 +1649,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1659,10 +1664,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_5" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_5" >
         
           
-          <label class="md-nav__link" for="__nav_2_5" id="__nav_2_5_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_5" id="__nav_5_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1673,8 +1678,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_5_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_5">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_5_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_5">
             <span class="md-nav__icon md-icon"></span>
             Service Ordering
           </label>
@@ -1715,10 +1720,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1731,10 +1735,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_6" >
         
           
-          <label class="md-nav__link" for="__nav_2_6" id="__nav_2_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_6" id="__nav_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1745,8 +1749,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_6">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_6">
             <span class="md-nav__icon md-icon"></span>
             Testing services
           </label>
@@ -1845,10 +1849,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1861,10 +1864,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_7" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
         
           
-          <label class="md-nav__link" for="__nav_2_7" id="__nav_2_7_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_7" id="__nav_7_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -1875,8 +1878,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_7_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_7">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_7">
             <span class="md-nav__icon md-icon"></span>
             Service as a Product
           </label>
@@ -1975,10 +1978,9 @@
     </li>
   
 
-              
-            
-              
-                
+    
+      
+      
   
   
   
@@ -1991,10 +1993,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_2_8" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
         
           
-          <label class="md-nav__link" for="__nav_2_8" id="__nav_2_8_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_8" id="__nav_8_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2005,8 +2007,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_2_8_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_2_8">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_8">
             <span class="md-nav__icon md-icon"></span>
             Assurance services
           </label>
@@ -2068,14 +2070,6 @@
     </li>
   
 
-              
-            
-          </ul>
-        </nav>
-      
-    </li>
-  
-
     
       
       
@@ -2093,10 +2087,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" checked>
         
           
-          <label class="md-nav__link" for="__nav_3" id="__nav_3_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9" id="__nav_9_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2107,8 +2101,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_3_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9">
             <span class="md-nav__icon md-icon"></span>
             Design & Architecture
           </label>
@@ -2151,10 +2145,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_2" checked>
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_2" checked>
         
           
-          <label class="md-nav__link" for="__nav_3_2" id="__nav_3_2_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_2" id="__nav_9_2_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2165,8 +2159,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_2_label" aria-expanded="true">
-          <label class="md-nav__title" for="__nav_3_2">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_2_label" aria-expanded="true">
+          <label class="md-nav__title" for="__nav_9_2">
             <span class="md-nav__icon md-icon"></span>
             Cloud native support
           </label>
@@ -2307,10 +2301,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_3_6" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_6" >
         
           
-          <label class="md-nav__link" for="__nav_3_6" id="__nav_3_6_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_9_6" id="__nav_9_6_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2321,8 +2315,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_3_6_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_3_6">
+        <nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_6_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_9_6">
             <span class="md-nav__icon md-icon"></span>
             APIs
           </label>
@@ -2483,10 +2477,10 @@
       
         
         
-        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_4" >
+        <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
         
           
-          <label class="md-nav__link" for="__nav_4" id="__nav_4_label" tabindex="0">
+          <label class="md-nav__link" for="__nav_10" id="__nav_10_label" tabindex="0">
             
   
   <span class="md-ellipsis">
@@ -2497,8 +2491,8 @@
             <span class="md-nav__icon md-icon"></span>
           </label>
         
-        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_4_label" aria-expanded="false">
-          <label class="md-nav__title" for="__nav_4">
+        <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
+          <label class="md-nav__title" for="__nav_10">
             <span class="md-nav__icon md-icon"></span>
             Contributing to OSL
           </label>