t: solid 0px #f00;  } <table>    <tbody>      <tr>        <td>a</td>        <td>a</td>      </tr>      <tr>        <td>a</td>        <td>a</td>      </tr>      <tr>        <td>a</td>        <td>a</td>      </tr>      <tr>        <td>a</td>        <td>a</td>      </tr>    </tbody>  </table>