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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> <div class="w3-container"> <h2>w3-btn-block</h2> <p>A w3-btn-block button has a width of 100%, and spans the entire width of the parent element.</p> <button class="w3-btn-block">Button</button> <button class="w3-btn-block w3-teal">Button</button> <button class="w3-btn-block w3-disabled" disabled>Disabled Button</button> <p>Different width of parent elements:</p> <div class="w3-section" style="width:30%"> <button class="w3-btn-block">Button</button> </div> <div class="w3-section" style="width:50%"> <button class="w3-btn-block w3-teal">Button</button> </div> <div class="w3-section" style="width:80%"> <button class="w3-btn-block w3-red">Button</button> </div> </div> </body> </html>
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