<!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">
<h2>Closing Alerts</h2>
<p>To close these containers, click on the X in the upper corner:</p>
<div class="w3-container w3-section w3-red">
<span onclick="this.parentElement.style.display='none'" class="w3-closebtn">×</span>
<h3>Danger!</h3>
<p>Red often indicates a dangerous or potentially negative action.</p>
</div>
<div class="w3-container w3-section w3-yellow">
<span onclick="this.parentElement.style.display='none'" class="w3-closebtn w3-hover-text-red">×</span>
<h3>Warning!</h3>
<p>Yellow often indicates a warning that might need attention.</p>
</div>
<div class="w3-container w3-section w3-green">
<span onclick="this.parentElement.style.display='none'" class="w3-closebtn">×</span>
<h3>Success!</h3>
<p>Green often indicates something successful or positive.</p>
</div>
<div class="w3-container w3-section w3-blue">
<span onclick="this.parentElement.style.display='none'" class="w3-closebtn">×</span>
<h3>Info!</h3>
<p>Blue often indicates a neutral informative change or action.</p>
</div>
</body>
</html>