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<!DOCTYPE html> <html> <head> <style> .button { background-color: #4CAF50; border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; margin: 4px 2px; cursor: pointer; } </style> </head> <body> <h1>CSS 按钮</h1> <button>默认按钮</button> <a href="#" class="button">链接按钮</a> <button class="button">按钮</button> <input type="button" class="button" value="输入按钮"> </body> </html>