Modify the content area into a 2 column responsive layout with main content and a right sidebar\\
<code>
<div id="content">
 <div class="row">
  <div class="col-md-8">
   <mt:Entries include_blogs="children">
    <mt:Ignore>
     <!-- Use the Entry Summary module for each entry published on this page -->
    </mt:Ignore>
    <$mt:Include module="Entry Summary" display_blog_name="1"$>
   </mt:Entries>
  </div>
  <div class="col-md-4"><$mt:Include module="Sidebar"$></div>
 </div>

</div><!-- content -->
</code>