chromium/third_party/blink/web_tests/compositing/generated-content.html

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">

<html lang="en">
<head>
  <title>Generated Content and Transforms</title>
  <style type="text/css" media="screen">
    .box {
      width: 200px;
      height: 200px;
      border: 1px solid black;
    }
    
    .box:after {
      content: 'Generated';
      display: block;
      width: 100%;
      height: 100%;
      will-change: transform;
    }
  </style>
</head>
<body>
  <p><a href="https://bugs.webkit.org/show_bug.cgi?id=26095">https://bugs.webkit.org/show_bug.cgi?id=26095</a></p>
  <p>Tests that a 3D transform on a generated node does not crash.</p>
  <div class="box"></div>
</body>
</html>