anchor.diff:        <div class="col-md-6">
           <ul class="listings">
             <% if @videos.empty? %>
  -              <p style="margin-top: 20px;">No videos in project <strong><%= @project.title %></strong></p>
  +            <p style="margin-top: 20px;">No videos in project <strong><%= @project.title %></strong></p>
             <% else %>
  -              <h2>List of Project videos</h2>
  -              <% @videos.each do |video| %>
  -                  <li>
  -                    <%= video_link(video) %> - <i style="font-size: 85%; color: darkgray;">published: <%= video[:published] %></i>
  -                  </li>
  -              <% end %>
  +            <h2>List of Project videos</h2>
  +            <% @videos.each do |video| %>
  +              <li>
  +                <%= video_link(video) %> - <i style="font-size: 85%; color: darkgray;">published: <%= video[:published] %></i>
  +              </li>
  +            <% end %>
             <% end %>
           </ul>
         </div>
         <div class="col-md-6">
           <% unless @videos.empty? %>
  -            <h4 id="video_contents"><%= @videos.first[:content] %></h4>
  -            <iframe id="ytplayer" type="text/html" width="340" height="210"
  -                    src="<%= video_embed_link(@videos.first) %>" frameborder="0"></iframe>
  -            </div>
  +          <h4 id="video_contents"><%= @videos.first[:content] %></h4>
  +          <iframe id="ytplayer" type="text/html" width="340" height="210"
  +                  src="<%= video_embed_link(@videos.first) %>" frameborder="0"></iframe>
  +          </div>
           <% end %>
           </div>
     </div>
  
positive.code: <%= javascript_include_tag '/javascripts/users' %>
  <div>
    <strong><%= link_to 'List of Projects', projects_path %></strong> <i class="fa fa-angle-double-right"></i>
    <strong><%= @project.title %></strong>
  
negative.code: <div class="tab-content">
    <div class="tab-pane active" id="documents_list">
      <% unless @documents.empty? %>
        <h2>Related documents</h2>
        <ul class="listings">
          <% @documents.roots.each do |d| %>
            <li class="listings-item">
              <% num_children = d.children.count %>
              <strong><%= link_to d.title, project_document_path(@project, d) %></strong> <%= "(#{num_children})" if num_children > 0 %>
              -
              <i>created by <%= d.user.display_name %> <%= time_ago_in_words(d.created_at) %> ago</i>
            </li>
          <% end %>
        </ul>
      <% else %>
        <p style="margin-top: 20px;">No documents can be found for project <strong><%= @project.title %></strong></p>
      <% end %>
    </div>
    <div class="tab-pane" id="members_list">
      <ul class="listings">
        <% if @members.empty? %>
          <p style="margin-top: 20px;">No members in project <strong><%= @project.title %></strong></p>
        <% else %>
          <h2>List of Project Members</h2>
          <% @members.each do |member| %>
            <li class="listings-item"><strong><%= link_to member.display_name, users_show_path(member) %></strong>
            </li>
          <% end %>
        <% end %>
      </ul>
    </div>
  