anchor.diff:    </table>
   </div>
   
  -<div class="panel panel-default sync-margin" style="margin-bottom: 20em">
  +<div class="panel panel-default sync-margin" style="margin-bottom: 1.75em">
     <div class="panel-heading">
       <h3 id="natural" class="panel-title">Statements in Natural Execute Order</h3>
     </div>
  
positive.code: 
          // keep focus on original clicked thing
          $($link).focus();
        },
        error: function (data) {
          console.error('could not get source. data: ', data);
  
negative.code:   <div class="panel-heading">
      <h3 class="panel-title">Timeline</h3>
    </div>
    <%= render 'timeline', data: @timeline_data do %>
    <% end %>
  </div>
  
  <div class="panel panel-default">
  