<!DOCTYPE HTML>
<html>
<title>Testcase, bug 1176969</title>
<style>

body { padding: 50px }

#grandparent { perspective: 400px }

#parent {
  background: blue;
  height: 200px; width: 200px;
  border: 1px solid black;
  transform-style: preserve-3d;
  transform: rotateX(-45deg) rotateY(-45deg) rotateZ(-45deg);
  will-change: transform;
}

#child {
  transform: translateZ(15px);
  height: 100px; width: 100px; margin: 50px;
  background: yellow;
  box-shadow: 3px 3px olive;
}

</style>

<div id="grandparent">
  <div id="parent">
    <div id="child">
    </div>
  </div>
</div>