HTML - Table Sizes
Overview
Estimated time: 15–20 minutes
Prefer CSS for width/height; use colgroup for column-level hints.
Example (structure)
<table class="sizes">
  <colgroup>
    <col class="col-a">
    <col class="col-b">
  </colgroup>
  <tr><th>A</th><th>B</th></tr>
  <tr><td>1</td><td>2</td></tr>
</table>