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<title>css大于号示例</title>
<style>
p{border:1px solid green;margin:10px}/*p为绿色边框*/
span{display:block;background-color:Silver;padding:10px;margin:10px;}/*span背景颜色为银色*/
p>span{border:1px solid red;}/*有大于号*/
</style>
</head>
<body>
<p><a href="<a href="http://www.jb51.net/">http://www.jb51.net/</a>" target="_blank">web前端</a> <a href="<a href="http://www.jb51.net">http://www.jb51.net</a>" target="_blank">没有大于号的</a>
</p>
<p>只有p的儿子span元素有红色边框</p>
<p id="keleyi">
<span id="erzi-keleyi-com">p儿子span
<span id="sunzi-keleyi-com">p孙子span
</span>
</p>
<span>非p内部span</span></p> <p></body>
</html></p> <p>