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chromium/third_party/blink/web_tests/external/wpt/css/css-multicol/change-transform.html 

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:[email protected]">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1279525">
<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="overflow:auto; width:500px;">
  <div style="columns:2; column-fill:auto; height:100px;">
    <div style="width:100px; height:100px; background:red;">
      <div id="elm" style="transform:translateX(1000px); width:100px; height:100px; background:green;"></div>
    </div>
  </div>
</div>
<script>
  document.body.offsetTop;
  elm.style.transform = "translateX(0)";
</script>