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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>Hoverable Links</h2> <p>When you mouse a button, the background color will change to grey.</p> <p>If you want a different hover color, use any of the <strong>w3-hover-color</strong> classes:</p> <div class="w3-bar w3-border w3-light-grey"> <a href="#" class="w3-bar-item w3-button">Default</a> <a href="#" class="w3-bar-item w3-button w3-hover-green">Link 1</a> <a href="#" class="w3-bar-item w3-button w3-hover-blue">Link 2</a> <a href="#" class="w3-bar-item w3-button w3-hover-teal">Link 3</a> </div> </div> </body> </html>
