page_with_content_overlap_positioned_frame.html

<!DOCTYPE html>
<style>
iframe {
  position:absolute;
  top: 50px;
  left: 50px;
  width: 100px;
  height: 100px;
}

div {
  position: absolute;
  top: 50px;
  left: 50px;
  width: 70px;
  height: 20px;
  background-color: red;
  z-index: 100;
}

</style>
<html>
<body>
<iframe src="/cross-site/baz.com/title1.html"></iframe>
This page contains a positioned cross-origin iframe.
<div>x</div>
</body>
</html>

chromium/content/test/data/frame_tree/page_with_content_overlap_positioned_frame.html