日期:2014-05-17  浏览次数:20682 次

问下如何让两个浮动元素行高自动相等?
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         <div id="header"><h1>W3School.com.cn</h1></div>      
      
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     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
     <p>"Never increase, beyond what is necessary, the number of entities required to explain anything." William of Ockham (1285-1349)</p>
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     <div id="content"><h2>Free Web Building Tutorials</h2>
            
            <p>W3School.com.cn - The Largest Web Developers Site On The Net!</p>
            <p>W3School.com.cn - The Largest Web Developers Site On The Net!</p>
            <p>W3School.com.cn - The Largest Web Developers Site On The Net!</p>
            <p>W3School.com.cn - The Largest Web Developers Site On The Net!</p>
            <p>W3School.com.cn - The Largest Web Developers Site On The Net!</p>
            <p>W3School.com.cn - The Largest Web Developers Site On The Net!</p>
            <p>W3School.com.cn - The Largest Web Developers Site On The Net!</p>
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楼主参考下

http://www.blueidea.com/tech/web/2006/3210.asp
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自己慢慢设置,设一个值调了看看、、不等在重新设
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#sidebar { float:left; padding:auto; width:445px; background:#F0F; height:540px; overflow:hidden; }

#content { FLOAT: