<!DOCTYPE HTML>
<meta charset="UTF-8">
<title>CSS Test: transform-style: preserve-3d not being a containing block on inlines</title>
<link rel="author" title="L. David Baron" href="https://dbaron.org/">
<link rel="author" title="Google" href="http://www.google.com/">
<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#transform-style-property">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/6430">
<link rel="match" href="preserve-3d-flat-grouping-properties-containing-block-inline-ref.html">
<style>

#container {
  margin: 150px;
}

#outer {
  transform-style: preserve-3d;
}

#inner {
  position: absolute;
  top: 0;
  left: 0;
  width: 50px;
  height: 50px;
  background: blue;
}

</style>

<div id="container">
  <span id="outer">
    <span id="inner"></span>
  </span>
</div>