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<head><meta charset="utf-8"/><title>左右浮动</title><style type="text/CSS"> #nav{height:30px;border:1px solid red;} #content{border:1px solid black;} #footer{position:absolute;bottom:0px;height: 20px;border:1px solid red;width: 100%;}</style></head><body><div id="nav">sdfs</div>
<div id="content"> <div style="border:1px solid red;float:left;width:300px;height:300px;">sdfsd</div> <div style="border:1px solid red;float:right;width:400px;height:300px;">sdfs</div> <span style="clear:both"></span></div>
<div id="footer">sdflksdjflskdjflksdjflskdjflksjdlfjsldkfjld</div></body></html>
样式：
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