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<!DOCTYPE html> <html lang="en"> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>W3.CSS</title> <link rel="stylesheet" href="https://www.w3schools.com/w3css/5/w3.css"> <body class="w3-container"> <h2>Responsive Grid</h2> <p>A grid can automatically change the number of columns when the available width changes.</p> <div class="w3-grid" style="grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px"> <div class="w3-container w3-card"><h3>London</h3></div> <div class="w3-container w3-card"><h3>Paris</h3></div> <div class="w3-container w3-card"><h3>Rome</h3></div> </div> <p>Resize the browser window to see the number of columns change automatically.</p> </body> </html>
