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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; padding:10px; background:#dddddd; border-top-right-radius:2em; -webkit-border-top-right-radius:2em; /* Safari */ } </style> <div>The border-top-right-radius 属性允许添加圆角到右上角.</div> <footer>简单教程,简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果: