balance-repeating-table-headers.html

<!DOCTYPE html>
<p>There should be a yellow/hotpink square 2x2 chessboard below.</p>
<div style="columns:3; column-gap:0; width:60px; line-height:20px; orphans:1; widows:1;">
  <div style="background:yellow;"><br></div>
  <table cellspacing="0" cellpadding="0" style="width:20px;">
      <!-- The thead should be repeated at the top of each column
           that the table breaks into. -->
      <thead style="break-inside:avoid;">
          <tr>
              <td style="background:hotpink;"><br></td>
          </tr>
      </thead>
      <tbody>
          <tr>
              <td><br></td>
          </tr>
          <tr>
              <td><br></td>
          </tr>
          <tr>
              <td><br></td>
          </tr>
          <tr>
              <td style="background:yellow;"><br></td>
          </tr>
          <tr>
              <td><br></td>
          </tr>
          <tr>
              <td><br></td>
          </tr>
          <tr>
              <td><br></td>
          </tr>
      </tbody>
  </table>
  <br>
  <br>
  <br>
</div>

chromium/third_party/blink/web_tests/fast/multicol/balance-repeating-table-headers.html