<!DOCTYPE html>
<html>
  <head>
    <title>CSS Reftest Reference</title>
    <link rel="author" title="Aryeh Gregor" href="mailto:ayg@aryeh.name">
    <style>
      div {
        height: 100px;
        width: 100px;
      }
      body > div {
        transform: matrix(1, 0, 0, 1, 50, 0);
      }
      body > div > div {
        transform: matrix(1, 0, 0, 1, 50, 0);
      }
      body > div > div > div {
        background: blue;
      }
    </style>
  </head>
  <body>
    <div>
      <div>
        <div></div>
      </div>
    </div>
  </body>
</html>