font-family: "Times New Roman";font-family: Arial;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title></title>
<style type='text/css'>
p#times-new-roman {
font-family: "Times New Roman";
}
p#arial {
font-family: Arial;
}
</style>
</head>
<body>
<p id='times-new-roman'>
This font is Times New Roman.
</p>
<p id='arial'>
This font is Arial.
</p>
</body>
</html>