css(class,id).php

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Untitled Document</title>
<link rel="stylesheet" type="text/css" href="ex.css" />

</head>

<body>
<form action="css(class,id).php" method="post">
		<table align="center" border="1">
			<tr class="a">
				<td id="b">User Name</td>
				<td><input type="text" name="uname" /></td>
			</tr>
			<tr>
				<td>Password</td>
				<td><input type="password" name="pass" /></td>
			</tr>
		</table>
</form>
</body>
</html>