anchor.diff:              <div class="clearfix row">
                 <%= form_for document, remote: true do |f| %>
                   <div class="col s12 m12 l4">
  -                  <h5>Folder</h5>
  +                  <h5>
  +                    <i class="material-icons left <%= Folder.color %>-text"><%= Folder.icon %></i>
  +                    Folder
  +                  </h5>
                     <% if current_user.can_update?(document) %>
                       <%= 
                         f.select :folder_id, folders, 
  
positive.code:                     <% end %>
                    <% end %>
  
                    <h5>Universe</h5>
                    <% if current_user.can_update?(document) %>
                      <%= 
                        f.select :universe_id,  @linkables_cache.fetch('Universe', []), 
  
negative.code:                   <% end %>
  
  
                    <h5>
                      <i class="material-icons left">info</i>
                      About
                    </h5>
                    <ul>
                      <li>
                        <i class="material-icons tiny" style="position: relative; top: 3px;">text_snippet</i>
  