<!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/#transforms">
<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#abs-non-replaced-height">
<style>
  body { overflow:scroll; } /* Auto scrollbars may hide bugs. */
  #container { columns:2; height:200px; column-fill:auto; background:white; }
  #abspos { position:absolute; width:50px; bottom:0; background:blue; }
  #abspos > div { height:10px; background:white; }
</style>
<p>There should be two identical blue squares below.</p>
<div id="container">
  <div style="position:relative; height:100%;">
    <div id="abspos" data-offset-y="80" data-expected-height="120">
      <div style="margin:50px 0;" data-offset-y="50"></div>
      <div data-offset-y="110"></div>
    </div>
  </div>
</div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<script>
  checkLayout("[data-offset-y]");
</script>
