collapsed-border-large-rowgroup-002-ref.html

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<!DOCTYPE html>

<meta charset="UTF-8">

<title>border-collapse with rowspan past rowgroup size</title>

<style>

  table {

    border-collapse: collapse;

    border: 8px solid cyan;

  td, th {

    border: 1px solid black;

</style>

<table>

  <thead>

    <tr>

      <th>A</th>

      <th></th>

      <th>B</th>

    </tr>

  </thead>

  <tbody>

    <tr>

      <td>C</td>

      <td></td>

      <td>D</td>

    </tr>

  </tbody>

</table>