>`titlebar-area-width`</dfn>
            </td>
            <td>
              <a href=
              "https://drafts.csswg.org/css-values-3/#length-value">length</a>
            </td>
          </tr>
          <tr>
            <td>
              <dfn>`titlebar-area-height`</dfn>
            </td>
            <td>
              <a href=
              "https://drafts.csswg.org/css-values-3/#length-value">length</a>
            </td>
          </tr>
        </table>
        <p>
          The [=title bar area e