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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> #div1 { position: relative; height: 150px; width: 150px; margin: 50px; padding:10px; border: 1px solid black; perspective:150; -webkit-perspective:150; /* Safari and Chrome */ } #div2 { padding:50px; position: absolute; border: 1px solid black; background-color: red; transform: rotateX(45deg); -webkit-transform: rotateX(45deg); /* Safari and Chrome */ } </style> <div id="div1"> <div id="div2">HELLO</div> </div> <footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果：