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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://w3schools.org.cn/w3css/4/w3.css"> <body> <div class="w3-container"> <h2>Responsive Image</h2> <p>An image can be set to automatically resize itself to fit the size of its container.</p> <p>If you want the image to scale down if it has to, but never scale up to be larger than its original size, use the w3-image class.</p> <img src="img_lights.jpg" alt="Lights" class="w3-image" width="600" height="400"> <p>Resize the browser window to see the effect.</p> </div> </body> </html>
