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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/5/w3.css">
<body>
<div class="w3-container w3-center">
  <h2>Centered Content</h2>
  <img src="img_car.jpg" alt="car" style="width:80%;max-width:320px">
  <p>The w3-center class centers an element.</p>
</div>
</body>
</html>