anchor.diff:                  </div>
                 </div>
               </div>
  +            <div id="social-buttons">
  +            </div>
  +          </div><!-- topmenu -->
  +          <div class="span4" id="logo">
  +            <%= link_to image_tag('logo.png'), root_path %>
             </div>
  -        </div>
  +        </div><!-- row -->
  +        <div class="row">
  +          <div class="span4">
  +          </div>
  +        </div><!-- row -->
         </div>
         <div class="container-fluid" id="mainnav">
           <div class="container">
  
positive.code:                 <li><%= link_to 'desconectar', destroy_user_session_path, :method => 'delete' %></li>
                <% end %>
              </ul>
            </div><!-- topmenu -->
            <div class="span4" id="logo">
              <%= link_to image_tag('logo.png'), root_path %>
            </div>
            <div class="span4">
              <div class="control-group">
                <div class="controls">
                  <div class="input-prepend">
  
negative.code:             <%= image_tag('ribbon.png') %>
            </div>
            <div class="span6" id="topmenu">
              <ul>
                <% unless user_signed_in? %>
                  <li><%= link_to 'nuevo usuario', new_user_registration_path %></li>
  