<!DOCTYPE HTML>
<title>preserve-3d consequence nested context</title>
<style>
.rect {
  width: 100px;
  height: 100px;
  background-color: green;
}

#outeri {
  transform-style: preserve-3d;
  transform: rotateX(45deg);
}

#inner {
  transform: rotateX(0deg);
}

#inneri {
  transform-style: preserve-3d;
  transform: rotateX(45deg);
}

#rect2 {
  transform: translate(50px, 50px);
  background-color: pink;
}

#rect3 {
  background-color: red;
}

</style>
<body>
  <div id="outer">
    <div id="outeri">
      <div id="rect1" class="rect"></div>
      <div id="rect2" class="rect"></div>
      <div id="inner">
	<div id="inneri">
	  <div id="rect3" class="rect"></div>
	</div>
      </div>
    </div>
  </div>
</body>