diff --git lib/yui/src/blocks/js/blocks.js lib/yui/src/blocks/js/blocks.js
index 06a82eacaa6897b5537e5c9362f3bc7d3de4d713..1588b67af0816ea5c8bb95197f3d2d18047e3359 100644
--- lib/yui/src/blocks/js/blocks.js
+++ lib/yui/src/blocks/js/blocks.js
@@ -43,7 +43,7 @@ Y.extend(DRAGBLOCK, M.core.dragdrop, {
         this.parentnodeclass = CSS.REGIONCONTENT;
 
         // Add relevant classes and ID to 'content' block region on My Home page.
-        var myhomecontent = Y.Node.all('body#'+CSS.MYINDEX+' #'+CSS.REGIONMAIN+' > .'+CSS.REGIONCONTENT);
+        var myhomecontent = Y.Node.all('body#'+CSS.MYINDEX+' #'+CSS.REGIONMAIN+' .'+CSS.REGIONCONTENT);
         if (myhomecontent.size() > 0) {
             var contentregion = myhomecontent.item(0);
             contentregion.addClass(CSS.BLOCKREGION);
diff --git lib/yui/src/blocks/js/manager.js lib/yui/src/blocks/js/manager.js
index 11d5e8795d7b865073be918dba860644c93564b9..87c038b0aef811715122871fef05a465b2176b30 100644
--- lib/yui/src/blocks/js/manager.js
+++ lib/yui/src/blocks/js/manager.js
@@ -67,11 +67,13 @@ MANAGER.prototype = {
         this.parentnodeclass = CSS.BLOCKREGION;
 
         // Add relevant classes and ID to 'content' block region on My Home page.
-        var myhomecontent = Y.Node.all('body#'+CSS.MYINDEX+' #'+CSS.REGIONMAIN+' > .'+CSS.REGIONCONTENT);
+        var myhomecontent = Y.Node.all('body#'+CSS.MYINDEX+' #'+CSS.REGIONMAIN+' .'+CSS.REGIONCONTENT);
         if (myhomecontent.size() > 0) {
             var contentregion = myhomecontent.item(0);
             contentregion.addClass(CSS.BLOCKREGION);
-            contentregion.set('id', CSS.REGIONCONTENT);
+            contentregion.set('id', 'block-' + CSS.REGIONCONTENT);
+            contentregion.setAttribute('data-blockregion', 'content');
+            contentregion.setAttribute('data-droptarget', '1');
             contentregion.one('div').addClass(CSS.REGIONCONTENT);
         }
 
diff --git theme/clean/layout/columns3.php theme/clean/layout/columns3.php
index 3f342ce64d8450eebce5fb7a0fa6e9138c5fda1c..ee2d2e294ef430568c11b3c8779560e61ed2adf7 100644
--- theme/clean/layout/columns3.php
+++ theme/clean/layout/columns3.php
@@ -87,11 +87,13 @@ echo $OUTPUT->doctype() ?>
         <div id="<?php echo $regionbsid ?>" class="span9">
             <div class="row-fluid">
                 <section id="region-main" class="span8 pull-right">
-                    <?php
-                    echo $OUTPUT->course_content_header();
-                    echo $OUTPUT->main_content();
-                    echo $OUTPUT->course_content_footer();
-                    ?>
+                    <div class="region-content">
+                        <?php
+                        echo $OUTPUT->course_content_header();
+                        echo $OUTPUT->main_content();
+                        echo $OUTPUT->course_content_footer();
+                        ?>
+                    </div>
                 </section>
                 <?php echo $OUTPUT->blocks('side-pre', 'span4 desktop-first-column'); ?>
             </div>