<body>
  <table border="1" width="30%">
    <tr style="height:50px">
      <td valign="top" style="width:50%">góra</td>
      <td valign="bottom">dół</td>
    </tr>
    <tr style="height:50px">
      <td valign="middle">środek</td>
      <td valign="middle" style="font-size:20pt;">środek</td>
    </tr>
    <tr style="height:50px">
      <td valign="baseline">baseline</td>
      <td valign="baseline" style="font-size:20pt;">baseline</td>
    </tr>
  </table>
</body>
