Use CSS to set the font of the document to "courier".
<!DOCTYPE html>
<html>
<head>
<style>
body {@(11):courier;}
</style>
</head>
<body>
<h1>My Home Page</h1>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<style>
body {font-family:courier;}
</style>
</head>
<body>
<h1>My Home Page</h1>
</body>
</html>