<!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>Hoverable Image</h2>
<p>The w3-hover-opacity class adds transparency to the image when you move the mouse over it:</p>
<img src="img_fjords.jpg" class="w3-hover-opacity" alt="Norway" style="width:50%">
</body>
</html>