<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://www.w3.org/TR/css-multicol-1/#cf">
<style>
  #container {
      columns: 10;
      width: 100px;
      column-gap: 0;
      background: green;
  }
</style>
<p>Test passes if there is a filled green square below.</p>
<div id="container" data-expected-height="100">
  <div style="padding:40px 0; border-style:solid; border-color:green; border-width:40px 0;">
    <div style="contain:size; height:20px;"></div>
    <div style="contain:size; height:20px;"></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("#container");
</script>