anchor.diff:  
           </div>
           <div class="row text-center">
  -
             <div class="col-md-4 col-sm-4 svc-item">
               <div class="thumbnail">
                 <%= image_tag "board_wittenberg.jpg" %>
  
positive.code:             </div>
            </div>
          </div>
          <div class="row text-center">
            <div class="col-md-4 col-sm-4 svc-item">
  
  
  
            </div>
  
          </div>
  
negative.code:     </ul>
  
    </div>
  </section>
  