<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>border-top-left-radius: 48px 28px reference</title>
    <style type="text/css">
      div
      {
          width: 200px;
          height: 100px;

          background: orange;
          border: 20px solid teal;
          border-top-left-radius: 48px 28px;
      }
    </style>
  </head>
  <body>
    <p>The box should have a border-top-left-radius of 48px 28px. The
        horizontal radius should therefore be clearly larger than the
        vertical radius.</p>
    <div></div>
  </body>
</html>