diff --git a/_includes/themes/twitter/myconfig.html b/_includes/themes/twitter/myconfig.html
index 12674743abb8f9eeeac02f1ec63a94fb9b0a9097..cf0db164e89fc10ace51b5b842fc2742371e8560 100644
--- a/_includes/themes/twitter/myconfig.html
+++ b/_includes/themes/twitter/myconfig.html
@@ -38,9 +38,11 @@
 
     <!-- MAIN CONTENT -->
     <div id="main_content_wrap" class="outer">
+      <div class="preinner">
       <section id="main_content" class="inner">
       {{ content }}
       </section>
+</div>
     </div>
 
     <!-- FOOTER  -->