diff --git a/docs/html/distribute/engage/engage_toc.cs b/docs/html/distribute/engage/engage_toc.cs
index 596051a..eb176f9 100644
--- a/docs/html/distribute/engage/engage_toc.cs
+++ b/docs/html/distribute/engage/engage_toc.cs
@@ -1,61 +1,61 @@
 <ul id="nav">
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/widgets.html">
         <span class="en">Build Useful Widgets</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/notifications.html">
         <span class="en">Use Rich Notifications</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/gcm.html">
         <span class="en">Integrate GCM</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/easy-signin.html">
         <span class="en">Make Signing In Easy</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/deep-linking.html">
         <span class="en">Deep Link to Bring Users Back</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/game-services.html">
         <span class="en">Encourage Competition</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/analytics.html">
         <span class="en">Understand User Behavior</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/app-updates.html">
         <span class="en">Update Regularly</span></a>
     </div>
   </li>
 
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/community.html">
         <span class="en">Engage Your Community</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs
         var:toroot?>distribute/engage/video.html">
         <span class="en">Delight with Videos</span></a>
     </div>
diff --git a/docs/html/distribute/essentials/essentials_toc.cs b/docs/html/distribute/essentials/essentials_toc.cs
index 0369d4d..fe3fc87 100644
--- a/docs/html/distribute/essentials/essentials_toc.cs
+++ b/docs/html/distribute/essentials/essentials_toc.cs
@@ -1,47 +1,47 @@
 <ul id="nav">
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/core.html" zh-cn-lang="应用的核心质量">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/core.html" zh-cn-lang="应用的核心质量">
             <span class="en">Core App Quality</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/tablets.html" zh-cn-lang="平板电脑应用的质量">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/tablets.html" zh-cn-lang="平板电脑应用的质量">
             <span class="en">Tablet App Quality</span>
           </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/tv.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/tv.html">
             <span class="en">TV App Quality</span>
           </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/wear.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/wear.html">
             <span class="en">Wear App Quality</span>
           </a>
     </div>
   </li>
     <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/auto.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/quality/auto.html">
             <span class="en">Auto App Quality</span>
           </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/optimizing-your-app.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/optimizing-your-app.html">
           <span class="en">Optimize Your App</span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/best-practices/apps.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/best-practices/apps.html">
           <span class="en">App Best Practices</span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/best-practices/games.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/essentials/best-practices/games.html">
           <span class="en">Game Best Practices</span>
         </a>
     </div>
diff --git a/docs/html/distribute/googleplay/googleplay_toc.cs b/docs/html/distribute/googleplay/googleplay_toc.cs
index 92475ff..3f4dbac 100644
--- a/docs/html/distribute/googleplay/googleplay_toc.cs
+++ b/docs/html/distribute/googleplay/googleplay_toc.cs
@@ -1,36 +1,36 @@
 <ul id="nav">
 
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/about.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/about.html">
             <span class="en">The Google Play Opportunity</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/start.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/start.html">
             <span class="en">Get Started with Publishing</span>
           </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/developer-console.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/developer-console.html">
           <span class="en">Developer Console</span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/guide.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/guide.html">
           <span class="en">Finding Success on Google Play</span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/tv.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/tv.html">
           <span class="en">Distributing to <span style="white-space:nowrap">Android TV</span></span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/wear.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/googleplay/wear.html">
           <span class="en">Distributing to <span style="white-space:nowrap">Android Wear</span></span>
         </a>
     </div>
diff --git a/docs/html/distribute/monetize/monetize_toc.cs b/docs/html/distribute/monetize/monetize_toc.cs
index aeb6cf8..8211689 100644
--- a/docs/html/distribute/monetize/monetize_toc.cs
+++ b/docs/html/distribute/monetize/monetize_toc.cs
@@ -1,35 +1,35 @@
 <ul id="nav">
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/premium.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/premium.html">
             <span class="en">Premium</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/freemium.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/freemium.html">
             <span class="en">Freemium</span>
           </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/subscriptions.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/subscriptions.html">
           <span class="en">Subscriptions</span>
         </a
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/ecommerce.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/ecommerce.html">
           <span class="en">E-commerce</span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/ads.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/ads.html">
           <span class="en">Ads</span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/payments.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/monetize/payments.html">
           <span class="en">Purchasing</span>
         </a>
     </div>
diff --git a/docs/html/distribute/stories/stories_toc.cs b/docs/html/distribute/stories/stories_toc.cs
index 944dabe..54b7639 100644
--- a/docs/html/distribute/stories/stories_toc.cs
+++ b/docs/html/distribute/stories/stories_toc.cs
@@ -1,22 +1,22 @@
 <ul id="nav">
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/stories/index.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/stories/index.html">
             <span class="en">Videos</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/stories/localization.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/stories/localization.html">
             <span class="en">Going Global</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/stories/games.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/stories/games.html">
             <span class="en">Games</span>
           </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/stories/tablets.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/stories/tablets.html">
           <span class="en">Tablets</span>
         </a>
     </div>
diff --git a/docs/html/distribute/users/users_toc.cs b/docs/html/distribute/users/users_toc.cs
index 1f173cb..edfa874 100644
--- a/docs/html/distribute/users/users_toc.cs
+++ b/docs/html/distribute/users/users_toc.cs
@@ -1,35 +1,35 @@
 <ul id="nav">
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/know-your-user.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/know-your-user.html">
             <span class="en">Know Your User</span></a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/your-listing.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/your-listing.html">
             <span class="en">Create a Great Listing</span>
           </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/build-buzz.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/build-buzz.html">
           <span class="en">Build Buzz</span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/build-community.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/build-community.html">
           <span class="en">Build Community</span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/expand-to-new-markets.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/expand-to-new-markets.html">
           <span class="en">Expand to New Markets</span>
         </a>
     </div>
   </li>
   <li class="nav-section">
-    <div class="nav-section empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/promote-with-ads.html">
+    <div class="nav-section-header empty" style="font-weight:normal"><a href="<?cs var:toroot?>distribute/users/promote-with-ads.html">
           <span class="en">Promote with Ads</span>
         </a>
     </div>