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代码编辑器:
<!DOCTYPE html> <meta charset="utf-8"><link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <style> div { border:2px solid #a1a1a1; padding:10px 40px; background:#dddddd; width:300px; border-radius:25px; } </style> <div>border-radius 属性允许您为元素添加圆角边框! </div> <footer>简单教程,简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果: