сторона-заголовка

/* Directional values */
caption-side: top;
caption-side: bottom;

/* Global values */
caption-side: inherit;
caption-side: initial;
caption-side: revert;
caption-side: revert-layer;
caption-side: unset;

<table class="top">
  <caption>
    Caption ABOVE the table
  </caption>
  <tr>
    <td>Some data</td>
    <td>Some more data</td>
  </tr>
</table>

<br />

<table class="bottom">
  <caption>
    Caption BELOW the table
  </caption>
  <tr>
    <td>Some data</td>
    <td>Some more data</td>
  </tr>
</table>

.top caption {
  caption-side: top;
}

.bottom caption {
  caption-side: bottom;
}

table {
  border: 1px solid red;
}

td {
  border: 1px solid blue;
}