hidden-cells-3-ref.html

Enable keyboard shortcuts

<!DOCTYPE html>

<table style="width: 200px; height: 200px; empty-cells: show; border-collapse: collapse">

  <colgroup style="background: red">

    <col style="background: red">

  </colgroup>

  <tbody style="background: red">

    <tr style="background: red">

      <td style="background: green">

      </td>

      <td style="background: white">

      </td>

    </tr>

  </tbody>

</table>