<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>simple testcase</title>
  <link rel="stylesheet" charset="UTF-8" type="text/css" media="screen" href="simple.css"/>
  <style type="text/css">
  body {
    background: white;
  }

  div {
    font-size: 4em;
  }

  div > span {
     text-decoration: underline;
  }
  </style>
</head>
<body>
	<div>simple <span>testcase</span></div>
</body>
</html>