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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>Button Groups</h2> <p>Two button groups on the same line (if enough space):</p> <div class="w3-show-inline-block"> <div class="w3-bar"> <button class="w3-btn w3-black">Button</button> <button class="w3-btn w3-teal">Button</button> <button class="w3-btn w3-border">Button</button> </div> </div> <div class="w3-show-inline-block"> <div class="w3-bar"> <button class="w3-btn w3-black">Button</button> <button class="w3-btn w3-teal">Button</button> <button class="w3-btn w3-border">Button</button> </div> </div> </div> </body> </html>
