css外容器margin問題[IE中height:100%]

來源:互聯網
上載者:User
常用的二列布局,外容器Div定義class為container, 包含class分別為left 和main兩個子DIV,下邊是class為foot的Div

當我們想在container和foot之間加一點間隙時,fifefox卻發起了脾氣
代碼如下:<!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=utf-8" />
<title>測試頁</title>
<style type="text/css">
.container{}{border:1px #333 solid; width:600px; margin-bottom:20px;}
.container .left{}{width:300px; float:left; height:100px; background:#f60;}
.container .right{}{width:300px; float:left; height:300px; background:#ccc;}
.foot{}{clear:both;width:600px;height:20px; background:#3D78B6;border:1px solid #000000;}
</style>
</head>
<body>
<div class="container">
      <div class="left"></div>
    <div class="right"></div>
</div>
<div class="foot"></div>
</body>
</html>

以上代碼在IE6中能正常顯示,但是在firefox中container和footer之間沒有間隙,也就是說margin-bottom:20沒起作用
解決變法:
修改container,代碼如下:.container{}{overflow:hidden;border:1px #333 solid; width:600px; margin-bottom:20px;}

區別就在這一句

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