W3School TIY Editor
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<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; /* Green */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; -webkit-transition-duration: 0.4s; /* Safari */ transition-duration: 0.4s; } .button1 { box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19); } .button2:hover { box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24),0 17px 50px 0 rgba(0,0,0,0.19); } </style> </head> <body> <h1>阴影按钮</h1> <p>使用 box-shadow 属性为按钮添加阴影：</p> <button class="button button1">阴影按钮</button> <button class="button button2">悬停时的阴影</button> </body> </html>