<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/lib/w3.css">
<body>
<header class="w3-container w3-teal">
<h1 class="w3-right-align">W3Schools</h1>
</header>
</body>
</html>