<head>
<link rel="stylesheet" href="stylesheets/trialstyles.css" type="text/css">
<!-- To test putting the css commands in header instead: uncomment -->
<!--
<style>
body { background-color:#0FFFFF; }
p {margin-left:20px; color:#009933;}
</style>
-->
</head>
<body>
<p> some text here </p>
</body>
</html>
Does that give you enough to work on?