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<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<body>
<div class="w3-container">
  <h2>Shadow on Hover</h2>
  <p>The w3-hover-shadow class adds a shadow effect on hover - this will make any element look like a "w3-card-4".</p>
  <div class="w3-green w3-hover-shadow w3-padding-64 w3-center" style="width:50%">
    <p>Hover over me to display me as a card!</p>
  </div>
</div>
</body>
</html>