日期:2014-05-17 浏览次数:21659 次
     #n { width:960px; height:84px; margin:0 auto; padding:0px; background-color:Green;}
     #n1 { width:230px; height:84px; margin:0px; padding:0px; float:left; background-color:Red;}
     #n2 { width:470px; height:84px; margin:0px; padding:0px; float:left; background-color:Yellow;} 
     #n3 { width:200px; height:84px; margin:0px; padding:0px; float:right; background-color:Black;}
     #f { width:960px; height:70px; margin:0 auto; padding:0px; background-color:Blue; }
        <div id ="n">
            <div id="n1"></div>
            <div id="n2"></div>
            <div id="n3"></div>
        </div>
        <div id = "f">
        </div>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>divtest</title>
<style type="text/css">
/**----------------------------------body styles----------------------------------------**/
#n {width:960px; height:84px; margin:0 auto; padding:0px; background-color:Green;}
     #n1 { width:230px; height:84px; margin:0px; padding:0px; float:left; background-color:Red;}
     #n2 { width:530px; height:84px; margin:0px; padding:0px; float:left; background-color:Yellow;} 
     #n3 { width:200px; height:84px; margin:0px; padding:0px; float:right; background-color:Black;}
     #f { width:960px; height:70px; margin:0 auto; padding:0px; background-color:Blue; }
.clearfix:after {content:".";display:block;height:0;clear:both;visibility:hidden;} 
*html .clearfix{height:1%;}
*+html .clearfix{height:1%;}
.clearfix{display:inline-block;} 
/* Hide from IE Mac */ 
.clearfix {display:block;} 
</style>
</head>
<body>
 <div id ="n" class="clearfix">
            <div id="n1"></div>
            <div id="n2"></div>
            <div id="n3"></div>
        </div>
        <div id = "f">
        </div>
</body>
</html>
------解决方案--------------------
除了未清除浮动外无异常
------解决方案--------------------
奇怪了,我在IE6,7,8、火狐,谷歌、欧朋、苹果的Safari,显示都是正常的啊。没有出现楼主所说的那种情况啊。
------解决方案--------------------