anchor.diff:        <li class="tab col s3"><a class="blue-text" href="#tab-about-me">About Me</a></li>
         <li class="tab col s3"><a class="active blue-text" href="#tab-recent-activity">Recent Activity</a></li>
         <li class="tab col s3"><a class="blue-text" href="#tab-universes">Universes</a></li>
  -      <li class="tab col s3"><a class="blue-text" href="#tab-documents">Documents</a></li>
  +      <!--<li class="tab col s3"><a class="blue-text" href="#tab-documents">Documents</a></li>-->
         </ul>
       </div>
     </div>
  
positive.code:                   <%= image_tag universe.random_public_image %>
                    <span class="card-title"><%= universe.name %></span>
                  </div>
                  <div class="card-content">
                    <p><%= universe.description %></p>
                    <p>page count</p>
                  </div>
                </div>
              <% end %>
  
negative.code:         </div>
        </div>
      </div>
      <!--
      <div id="tab-documents">
        Tab 4
      </div>
      -->
    </div>
  </div>
  
  