css/css-multicol/remove-child-in-strict-containment-also-spanner.html

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1279078">
<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; width:100px; background:red;">
  <div style="column-span:all; height:20px; background:green;"></div>
  <div style="contain:strict; height:80px; background:green;">
    <div id="elm" style="height:80px; background:red;"></div>
  </div>
  <div style="contain:strict; height:80px; background:green;"></div>
</div>
<script>
  document.body.offsetTop;
  elm.style.display = "none";
</script>