<!DOCTYPE html>
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1225548">
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div style="position: fixed; background: red; max-height: 150px; overflow-y: auto;">
  <div id="target" style="width: 100px; background: green;"></div>
</div>
<script>
document.body.offsetTop;
const target = document.getElementById('target');
target.style.height = '200px';
document.body.offsetTop;
target.style.height = '100px';
</script>