diff --git a/tools/droiddoc/templates-sdk-dev/sample.cs b/tools/droiddoc/templates-sdk-dev/sample.cs
index 7b4bf0f..32a0788 100644
--- a/tools/droiddoc/templates-sdk-dev/sample.cs
+++ b/tools/droiddoc/templates-sdk-dev/sample.cs
@@ -92,9 +92,9 @@
 
       <div class="content-footer <?cs
                     if:fullpage ?>wrap<?cs
-                    else ?>cols<?cs /if ?>"
+                    else ?>layout-content-row<?cs /if ?>"
                     itemscope itemtype="http://schema.org/SiteNavigationElement">
-        <div class="<?cs
+        <div class="layout-content-col <?cs
                     if:fullpage ?>col-16<?cs
                     elif:training||guide ?>col-8<?cs
                     else ?>col-9<?cs /if ?>" style="padding-top:4px">
@@ -103,7 +103,7 @@
           <?cs /if ?>
         </div>
         <?cs if:!fullscreen ?>
-        <div class="paging-links col-4">
+        <div class="paging-links layout-content-col col-4">
           <?cs if:(design||training||walkthru) && !page.landing && !page.trainingcourse && !footer.hide ?>
             <a href="#" class="prev-page-link hide"
                 zh-tw-lang="上一堂課"
@@ -128,7 +128,7 @@
 
       <?cs # for training classes, provide a different kind of link when the next page is a different class ?>
       <?cs if:training && !page.article ?>
-      <div class="content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
+      <div class="layout-content-row content-footer next-class" style="display:none" itemscope itemtype="http://schema.org/SiteNavigationElement">
           <a href="#" class="next-class-link hide">Next class: </a>
       </div>
       <?cs /if ?>