xxxxxxxxxx<html><head><meta charset="utf-8"> <title>W3Cschool教程(w3cschool.cn)</title> <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><h2>CSS 按钮</h2><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="输入框按钮"></body></html>