•<!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>
<div class="w3-container">
<h2>Rounded Alerts</h2>
<p>Use the w3-round classes if you want rounded alerts:</p>
<div class="w3-panel w3-green w3-round">
<h3>Success!</h3>
<p>Here w3-round is used.</p>
</div>
<div class="w3-panel w3-green w3-round-large">
<h3>Success!</h3>
<p>Here w3-round-large is used.</p>
</div>
<div class="w3-panel w3-green w3-round-xxlarge">
<h3>Success!</h3>
<p>Here w3-round-xxlarge is used.</p>
</div>
</div>
</body>
</html>
