<html>
<head>
<title>Coba Induk CSS</title>
<link rel="stylesheet" type="text/css" href="css-important.css" media="screen">
<style>
body {
background: #000;
}
</style>
</head>
<body>
<div id="a1" style="background: #f00; width: 400px; height: 300px;">
</div>
</body>
</html>