anchor.diff:  
       <!-- Mobile viewport optimized: h5bp.com/viewport -->
       <meta name="viewport" content="width=device-width">
  -
  -    <!-- Place favicon.ico and apple-touch-icon.png in the root directory: mathiasbynens.be/notes/touch-icons -->
   
       <%= stylesheet_link_tag '__main.css' %>
       <%= stylesheet_link_tag '_bootstrap.min.css' %>
  
positive.code:           </div>
          <% end %>              
        </div>
  
        
  
        <%= yield %>
  
        <hr>
  
negative.code:         s.parentNode.insertBefore(g,s)}(document,'script'));
      </script>
  </body>
  </html>