<!DOCTYPE html>
<html>
  <head>
    <title>CSS Reftest Reference</title>
    <link rel="author" title="Aryeh Gregor" href="mailto:ayg@aryeh.name">
  </head>
  <body style="width: 400px">
    <div style="perspective: 1000px">
      <div style="height: 100px; width: 100px; background: lime;
        transform: rotatex(45deg) scaley(1.41421356); transform-origin: top">
      </div>
    </div>
  </body>
</html>