<!DOCTYPE html>
<title>Reference for infinite duration animation</title>
<style>
  #notes {
    position: absolute;
    left: 0px;
    top: 100px;
  }
  body {
    background: white;
  }
</style>
<body>
  <p id="notes">
    This test creates an infinite duration animations, which should be stuck at
    a progress of 0. If any blue pixels appear in the screenshot, the test
    fails.
  </p>
</body>