    <td>table-row-group</td>
        </tr>
        <tr>
          <td>.dfx</td>
          <td>display</td>
          <td>flex</td>
        </tr>
        <tr>
          <td>.dn</td>
          <td>display</td>
          <td>none</td>
        </tr>
      </tbody>
    </table>
  </section>
</article>