CSS中的两个相等的列 [英] Two equal columns in CSS
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问题描述
可能重复：
CSS - 等高列？
似乎有很多文章但是许多都没有更新，我不明白如果真的有一个最好的方法来建立CSS中的2个相等的列（不知道哪一个将是最长的）。
There seems to be many articles on the web, but many are not updated and I can't understand if there is really a BEST way to build 2 equal columns in CSS (without knowing which one of them will be the longest).
示例：
我想要实现的是B列将扩展到A列的大小。此外，如果B列长于A列，
What I want to achieve is that column B will strech all the way to the size of column A. Also, if column B will be longer than column A, then I want column A to strech all the way to the size of column B.
感谢
Joel
推荐答案
这应该可行，分开所需的特定样式，并在可能的地方评论。
This should work, ive seperated the specific styles needed, and commented where possible.
希望它有帮助。
<!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>Equal 2cols</title>
<style type="text/css">
/*common styles*/
html, body, h1, h2, h3{margin:0; padding:0;}
.clearme{clear:both;}
/*generic layout styles*/
#container{width:960px; margin:0 auto;}
#header{width:960px; height:100px; background-color:#999; margin:0 0 10px 0;}
#footer{width:960px; height:100px; background-color:#999; margin:10px 0 0 0;}
/*equal height specific styles*/
#layout{clear:left; float:left; width:100%; overflow:hidden; background:#f60; /* column 2 background colour */}
#content{float:left; width:100%; position:relative; right:50%; background:#f00; /* column 1 background colour */}
#col1 {float:left; width:46%; position:relative; left:52%; overflow:hidden;}
#col2 {float:left; width:46%; position:relative; left:56%; overflow:hidden;}
</style>
</head>
<body>
<div id="container">
<div id="header">
<h1>header</h1>
</div><!--/#header-->
<div id="layout">
<div id="content">
<div id="col1">
<h2>A</h2>
</div><!--/#col1-->
<div id="col2">
<h2>B</h2>
<p>As long as you like</p>
</div><!--/#col2-->
</div><!--/#content-->
</div><!--/#layout-->
<div class="clearme"></div>
<div id="footer">
<h3>Footer</h3>
</div><!--/#footer-->
</div><!--/#container-->
</body>
</html>
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