<!DOCTYPE html>
<title>CSS Position: Nested position:fixed in a scrollable position:fixed</title>
<link rel="help" href="https://www.w3.org/TR/css-position-3/#fixed-position">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=956203">
<link rel="match" href="position-fixed-scroll-nested-fixed-ref.html">
<meta name="assert" content="The nested position:fixed element should be above its parent, as if it was a sibling.">
<div id="outer" style="position: fixed; width: 100px; height: 100px; overflow: auto; background: red">
  <div style="position: fixed; width: 200px; height: 100px; background: green"></div>
  <div style="height: 500px"></div>
</div>
<div style="height: 5000px"></div>
<script>
outer.scrollTop = 200;
</script>