<!DOCTYPE html>
<html>
  <head>
    <title>CSS Reftest Reference</title>
    <link rel="author" title="Keith Schwarz" href="mailto:keith@keithschwarz.com">
    <link rel="author" title="Aryeh Gregor" href="mailto:ayg@aryeh.name">
    <style>
      div {
        transform: skewX(45deg);
        width: 100px;
        height: 100px;
        background: gold;
      }
    </style>
  </head>
  <body>
    <div></div>
  </body>
</html>