三列等高CSS布局的一个实例，
修改国外的一个demo，
兼容到了IE5.5+ 和标准的浏览器Opera Firefox Safari。
不过hack太多，不是很喜欢这样做。
全部代码如下：
<title>3 column lauput</title>
<style type="text/css" media="screen">
<!--
/*<![CDATA[*/
/*-----------------------------------------------------------
@from:http://www.alistapart.com/articles/holygrail
@modify:greengnn 08-01-02
------------------------------------------------------------*/
* {
margin:0;
padding:0;
}
body {
min-width: 550px;
font:normal normal normal 75%/1.25em Verdana, Arial, Helvetica, sans-serif;
color:#333333;
text-align:left;
}
/*layout*/
#container {
padding-left: 200px;
padding-right: 150px;
background:#000;
zoom:1;
}
#container:after {
content:'.';
display: block;
height: 0;
clear: both;
visibility: hidden;
}
#container { display: inline-block; }
/*\*/
#container { display: block; }
/*\*/
#center, #left, #right {
position: relative;
float: left;
}
*+html #center {
}
#center { width: 100%; }
#left {
width: 200px;
right: 200px;
margin-left: -100%;
}
#right {
width: 150px;
margin-right: -150px;
}
#footer { clear: both; }
/*Equal-height */
#container { overflow: hidden; }
#footer {
overflow:hidden;
position: relative;
}
/*IE7 hack*/
*+html #center {
position:static;
}
*+html #left {
position:static;
}
*+html #right {
position:static;
}
*+html #container {
position:relative;
overflow:hidden;
}
*+html #left {
position:relative;
}
/*End IE7 hack*/
/*Start Hack for Opera8*/
/*\*/
#container #center, #container #left, #container #right {
padding-bottom: 32767px !important;
margin-bottom: -32767px !important;
}
@media all and (min-width: 0px) {
#container #center, #container #left, #container #right {
padding-bottom: 0 !important;
margin-bottom: 0 !important;
}
#center:before, #left:before, #right:before {
content: '[DO NOT LEAVE IT IS NOT REAL]';
display: block;
background: inherit;
padding-top: 32767px !important;
margin-bottom: -32767px !important;
height: 0;
}
}
/**/
/*End Hack for Opera8*/
/*just to see*/
#header, #footer {
font-size:40px;
line-height:40px;
text-align:center;
font-weight:bold;
color:#cccccc;
background:#666666;
}
#center { background:#eeeeee; }
#left { background:#FF9933; }
#right { background:#0099CC; }
/*]]>*/
-->
</style>
</head>
<body>
<div id="header">header(test in IE5.5+ opera9.0 Firefox 2.0)</div>
<div id="container">
<div id="center">
<h2>Abstract</h2>
<p>The web is constantly evolving. New and innovative websites are being created every day, pushing the boundaries of HTML in every direction. HTML 4 has been around for nearly a decade now, and publishers seeking new techniques to provide enhanced functionality are being held back by the constraints of the language and browsers.</p>
<p>To give authors more flexibility and interoperability, and enable more interactive and exciting websites and applications, HTML 5 introduces and enhances a wide range of features including form controls, APIs, multimedia, structure, and semantics.</p>
<p>Work on HTML 5, which commenced in 2004, is currently being carried out in a joint effort between the <a href="http://www.w3.org/html/"><abbr title="W3C HTML Working Group">W3C HTML WG</abbr></a> and the <a href="http://www.whatwg.org/"><abbr title="Web Hypertext Application Technology Working Group">WHATWG</abbr></a>. Many key players are participating in the W3C effort including representatives from the four major browser vendors: Apple, Mozilla, Opera, and Microsoft; and a range of other organisations and individuals with many diverse interests and expertise.</p>
<p>Note that <a href="http://www.w3.org/html/wg/html5/">the specification</a> is still a <em>work in progress</em> and quite a long way from completion. As such, it is possible that any feature discussed in this article may change in the future. This article is intended to provide a brief introduction to some of the major features as they are in the current draft.</p>
</div>
<div id="left">
<h2>Abstract</h2>
<p>The web is constantly evolving. New and innovative websites are being created every day, pushing the boundaries of HTML in every direction. HTML 4 has been around for nearly a decade now, and publishers seeking new techniques to provide enhanced functionality are being held back by the constraints of the language and browsers.</p>
<p>To give authors more flexibility and interoperability, and enable more interactive and exciting websites and applications, HTML 5 introduces and enhances a wide range of features including form controls, APIs, multimedia, structure, and semantics.</p>
<p>Work on HTML 5, which commenced in 2004, is currently being carried out in a joint effort between the <a href="http://www.w3.org/html/"><abbr title="W3C HTML Working Group">W3C HTML WG</abbr></a> and the <a href="http://www.whatwg.org/"><abbr title="Web Hypertext Application Technology Working Group">WHATWG</abbr></a>. Many key players are participating in the W3C effort including representatives from the four major browser vendors: Apple, Mozilla, Opera, and Microsoft; and a range of other organisations and individuals with many diverse interests and expertise.</p>
<p>Note that <a href="http://www.w3.org/html/wg/html5/">the specification</a> is still a <em>work in progress</em> and quite a long way from completion. As such, it is possible that any feature discussed in this article may change in the future. This article is intended to provide a brief introduction to some of the major features as they are in the current draft.</p>
</div>
<div id="right">
<h2>Abstract</h2>
<p>The web is constantly evolving. New and innovative websites are being created every day, pushing the boundaries of HTML in every direction. HTML 4 has been around for nearly a decade now, and publishers seeking new techniques to provide enhanced functionality are being held back by the constraints of the language and browsers.</p>
<p>To give authors more flexibility and interoperability, and enable more interactive and exciting websites and applications, HTML 5 introduces and enhances a wide range of features including form controls, APIs, multimedia, structure, and semantics.</p>
<p>Work on HTML 5, which commenced in 2004, is currently being carried out in a joint effort between the <a href="http://www.w3.org/html/"><abbr title="W3C HTML Working Group">W3C HTML WG</abbr></a> and the <a href="http://www.whatwg.org/"><abbr title="Web Hypertext Application Technology Working Group">WHATWG</abbr></a>. Many key players are participating in the W3C effort including representatives from the four major browser vendors: Apple, Mozilla, Opera, and Microsoft; and a range of other organisations and individuals with many diverse interests and expertise.</p>
<p>Note that <a href="http://www.w3.org/html/wg/html5/">the specification</a> is still a <em>work in progress</em> and quite a long way from completion. As such, it is possible that any feature discussed in this article may change in the future. This article is intended to provide a brief introduction to some of the major features as they are in the current draft.</p>
</div>
</div>
<div id="footer">footer</div>
<script src="http://www.google-analytics.com/urchin.js" type="text/javascript"></script>
<script type="text/javascript">
/*<![CDATA[*/
_uacct = "UA-496414-1";
/*]]>*/
</script>
</body>
</html>
查看运行效果：
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