diff --git a/browserid/static/dialog/views/body.ejs b/browserid/static/dialog/views/body.ejs
index 712042b88dc6f519ef5194a6e1c63dc03a00e88b..cd6b51dbaa63f6661a8c4d76ef15f6e064bd67d8 100644
--- a/browserid/static/dialog/views/body.ejs
+++ b/browserid/static/dialog/views/body.ejs
@@ -9,7 +9,7 @@
 
   <div id="formWrap" class="cf">
     <form> 
-      <div id="dialog" class="dialog">
+      <div id="dialog" class="dialog cf">
       </div>
 
       <div id="error_dialog">