<!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 class="w3-container">
<p>
<span class="w3-tag w3-xlarge w3-padding w3-round-large w3-red w3-center">
DO NOT<br>
BREATHE<br>
UNDER WATER
</span></p>
</body>
</html>