anchor.diff:      <title>Dashboard - Passap</title>
   
       <!-- Bootstrap core CSS -->
  -
  +  
       <%= stylesheet_link_tag    'bootstrap', media: 'all', 'data-turbolinks-track' => true %>
   
       <!-- Add custom CSS here -->
  
positive.code:                     <span class="avatar"><img src="http://placehold.it/50x50"></span>
                      <span class="name">Mario Rossi:</span>
                      <span class="message">Ciao, Il livello del CO<sub>2</sub> dei via...</span>
                      <span class="time"><i class="fa fa-clock-o"></i> 4:34 PM</span>
                    </a>
                  </li>
                  <li class="divider"></li>
  
negative.code:             </li>
  
              <li class="dropdown user-dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown"> Mario Rossi <b class="caret"></b></a>
                <ul class="dropdown-menu">
                  <li><a href="#"> Profilo</a></li>
                  <li><a href="#"> Inbox <span class="badge">7</span></a></li>
                  <li><a href="#"> Impostazioni</a></li>
                  <li class="divider"></li>
                  <li><a href="#"> Log Out</a></li>
                </ul>
              </li>
            </ul>
  