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<html><head><meta charset&#61;"utf-8"> <title>菜鸟教程(runoob.com)title> <link rel&#61;"stylesheet" href&#61;"https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css"> <script src&#61;"https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js">script><script src&#61;"https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js">script>head><body><div class&#61;"container"><h2>文本h2><p class&#61;"text-primary">该段落使用了样式 "text-primary"。p> <a class&#61;"text-primary" href&#61;"//www.w3cschool.cc">链接使用了样式 "text-primary"。a> div>body>
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