anchor.diff:    <tr>
       <th></th>
       <th>Device</th>
  +    <th>Size</th>
       <th>Temp</th>
  -    <th>Size</th>
       <th>Read Errors</th>
     </tr>
   
  
positive.code: <div class="header row">
    <div class="col-md-6">
      <h2><%= @title %></h2>
    </div>
  </div>
  
  
negative.code:         <strong><%= disk.name %></strong> <%= formatted_device disk.device %>
          <br>
  
          <small class="text-muted disk-info collapse">
            <%= device_model disk %> <br>
            <%= serial_number disk %>
          </small>
  
        </td>
        <td><%= humanize_size disk.size %></td>
        <td><%= number_to_temp disk.temp %></td>
        <td><%= disk.read_errors %></td>
      </tr>
  
  