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The :target selector allows us to interact with a fragment identifier, or hash, in our URL from CSS.
HTML:
<body> <a href="#tab1">Tab 1</a><a href="#tab2">Tab 2</a><a href="#tab3">Tab 3</a> <div id="tab1" class="tab"> <h1>Tab 1 Content</h1> </div> <div id="tab2" class="tab"> <h1>Tab 2 Content</h1> </div> <div id="tab3" class="tab"> <h1>Tab 3 Content</h1> </div> </body>
CSS:
<style> .tab{ display: none; } .tab:target { display: block; } </style>
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原文地址：http://www.cnblogs.com/Answer1215/p/5468599.html
