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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; } .disabled { opacity: 0.6; cursor: not-allowed; } </style> </head> <body> <h2>禁用按钮</h2> <p>使用 opacity 属性为按钮添加一些透明度（使其看起来已禁用）：</p> <button class="button">普通按钮</button> <button class="button disabled">禁用按钮</button> </body> </html>