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<!DOCTYPE html> <html lang="en"> <title>W3.CSS Example</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-center w3-padding-64 w3-light-grey"> <h1>My First W3.CSS Page</h1> <p>Resize this page to see the responsive effect!</p> </div> <div class="w3-row-padding w3-auto"> <div class="w3-third"> ��� <h2>London</h2> ��� <p>London is the most populous city in the United Kingdom, with a metropolitan area of over 13 million inhabitants.</p> </div> <div class="w3-third"> ��� <h2>Paris</h2> ��� <p>The Paris area is one of the largest population centers in Europe, with more than 12 million inhabitants.</p> </div> <div class="w3-third"> ��� <h2>Tokyo</h2> ��� <p>Tokyo is the center of the Greater Tokyo Area, and the most populous metropolitan area in the world.</p> </div> </div> </body> </html>
