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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="/lib/w3.css"> <body class="w3-container"> <h2>Grouped Buttons</h2> <div class="w3-btn-group"> <button class="w3-btn">Button</button> <button class="w3-btn w3-teal">Button</button> <button class="w3-btn" disabled>Button</button> </div> <br> <div class="w3-btn-group"> <button class="w3-btn w3-light-grey" style="width:33.3%">One</button> <button class="w3-btn w3-light-grey" style="width:33.3%">Two</button> <button class="w3-btn w3-light-grey" style="width:33.3%">Three</button> </div> </body> </html>