anchor.diff:      </div>
     <% end %>
   <% end %>
  +<br />
  +<%= yield %>
   
  -<%= yield %>
   </div>
   
   </body>
  
positive.code:     </div>
  
  <div class="container">
  
  <% [:notice, :error, :alert].each do |level| %>
    <% unless flash[level].blank? %>
      <div class="alert alert-<%= flash_class(level) %>">
  
negative.code:   <%= csrf_meta_tags %>
  </head>
  <body>
      <div class="navbar navbar-inverse navbar-fixed-top">
        <div class="navbar-inner">
          <div class="container">
  