<html>
<head>
<style>
body {background-color:yellow;}
h1 {font-size:36pt;}
h2 {color:blue;}
p {margin-left:50px;}
</style>
</head>
<body>
<h1>This header is 36 pt</h1>
<h2>This header is blue</h2>
<p>This paragraph has a left margin of 50 pixels</p>
</body>
</html>