anchor.diff:   
   </head>
   <body>
  +
   <div class="top-color"> 
   <div class="solid"> 
   <div class="top-point"> 
  
positive.code: </div></div>
  </div>
  
  </body>
  </html>
  
  
negative.code:  </div></div>
  </div></div></div></div>
  
  <%= yield %>
  <div class= "enclose">
  </div>
  <div class="footer">
  