代码编辑器:
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<meta charset="utf-8">
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<link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/>
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<style>
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p
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{
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border-style:solid;
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border-right:thick double #ff0000;
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}
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</style>
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<p>This is some text in a paragraph.</p>
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<footer>简单教程,简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
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