anchor.diff:          <thead>
             <tr>
               <th>User</th>
  +            <th></th>
               <th>Role</th>
  -            <th># Contributions</th>
  +            <th class="nobr"># Obs.</th>
               <th></th>
               <% if logged_in? && @project_user && @project_user.is_manager? -%>
  -              <th></th>
                 <th></th>
                 <th></th>
               <% end -%>
  
positive.code:               :class => "readmore" %>
            </td>
            <% if logged_in? && @project_user && @project_user.is_manager? -%>
              <td>
                <% if @project.user_id != project_user.user.id %>
                  <div class="buttonrow smallbuttons">
                    <% if project_user.role == ProjectUser::CURATOR %>
                      <%= link_to "Remove curator", change_project_user_role_path(@project.id, project_user.id), 
                        :method => :post,
  
negative.code:   #letter_nav{font-size:100%;margin-bottom:1em;text-align:left;}
    #invite{float:right;}
    #invite .button{margin-right:0;}
    td.actions .smallbuttons:first-child {margin-bottom:5px;}
    td.actions .button {width:100%;}
    td.actions {padding-right:15px;}
  </style>
  <% end %>
  <div id="pageheader" class="clear">
  