preserve3d-and-flattening-002-ref.html

<!DOCTYPE HTML>
<meta charset="utf-8">
<title>CSS Test (Transforms): Flattening at the leafward edges of a preserve-3d scene</title>
<link rel="author" title="L. David Baron" href="https://dbaron.org/">
<link rel="author" title="Google" href="http://www.google.com/">

<style>
body {
  margin: 0;
}
div {
  position: absolute;
  height: 100px;
  width: 100px;
  top: 0;
  left: 0;
}
.flattener {
  background: fuchsia;
}
.sibling {
  background: blue;
  top: 50px;
  left: 25px;
}
.child {
  background: silver;
  left: 50px;
}
</style>

<div class="sibling"></div>
<div class="flattener"></div>
<div class="child"></div>

chromium/third_party/blink/web_tests/external/wpt/css/css-transforms/preserve3d-and-flattening-002-ref.html