<html>
<head>
<link rel="stylesheet" href="test-style.css" type="text/css">
</head>
<body>
<div>
  <img src="apple.gif">
</div>
<div>
  This is a subframe.  This text should be red sans-serif.
</div>
<div>
  <img src="apple.gif">
</div>
</body>
</html>