<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://www.w3.org/TR/CSS22/box.html#collapsing-margins">
<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#the-height-property">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1001663">
<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="position:relative; width:100px; height:100px; background:red;">
  <div style="position:absolute; width:100%; background:green;">
    <div style="height:100%;">
      <div style="margin-bottom:80px; height:20px;"></div>
    </div>
  </div>
</div>
