<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://www.w3.org/TR/css-break-3/#parallel-flows">
<style>
  .halfsquare {
    margin: -10px; /* Cover the border-spacing. */
    width: 50px;
    height: 100px;
    background: green;
  }
</style>
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div style="columns:2; column-gap:0; column-fill:auto; width:100px; height:200px;">
  <div style="display:table; border-spacing:10px; background:red;">
    <div style="display:table-cell; vertical-align:top;">
      <div style="height:50px;">
        <div class="halfsquare"></div>
        <div style="height:120px;"></div>
        <div class="halfsquare" style="position:relative; z-index:-1;"></div>
      </div>
    </div>
  </div>
</div>
