anchor.diff:        </ul>
       </div>
   
  -    <div class="col-xs-8">
  +    <div class="col-xs-12 col-md-8">
   
         <%if @error && @error.length > 0 then %>
             <div class="alert alert-danger"><%=@error%></div>
  
positive.code:     <div class="col-sm-4 col-md-8 hidden-xs" style="text-align: center">
        <p><%= @page %></p>
      </div>
    </div>
  </div>
  
  <div class="container">
    <br/>
    <div class="row">
      <div class="col-xs-2">
        <!--for devise-->
        <p><u><%= link_to current_user.username, user_path(current_user), style: "font-size: 115%; color: black;" if user_signed_in? %></u></p>
        <p class="notice"><%= notice %></p>
  
negative.code: 
      </div>
  
      <div class="col-md-2"></div>
    </div>
  </div>
  </body>
  