<!doctype html>
<html>
  <head>
    <title>Test different types of values with border radius</title>
    <style>
      div { width: 200px;
            height: 200px;
            background: green;
            border: 10px dashed black}

      /* Test interpreted values */
      #test1 { border-radius: 2em 10px 3em / 10px 0.5em }

</style>
</head>
<body>
  <div id="test1"></div>
</body></html>