CSS代码：看看IE中有关1px的Bug

dn001 2009-06-21 08:48:00

<!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>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<style>
h3{
position:absolute;
top:-15px;
left:30px;
margin:0;
padding:0 5px;
line-height:25px;
background:red;
border:1px solid #000;
}
.outer ,.outer2 {
position:relative;
float:left;
width:300px;
border:2px dashed #000;
margin-top:20px;
margin-left:20px;
background:#ffffcc;
}
.inner {
position:absolute;
border:1px solid white;
width:100%;
height:100%;
position:relative;
z-index:100;
margin:-1px;
}
.outer p,.outer2 p; {padding:5px;margin:10px 0 0;}
.outer h3 a, .outer2 h3 a{
line-height:20px;
font-size:70%;
border:1px solid #000;
background:#ffffcc;
text-decoration:none;
vertical-align:top;
padding:0 5px;
}
.outer2 {border:1px dashed #000}
</style>
</head>
<body>
<div class="outer">
<div class="inner">
<h3>优秀的边框<a href="http://homepage.yesky.com/">更多 ></a></h3>
这个例子是为了说明在IE中存在1px概念模糊的一个小bug,在IE中{border:2px dashed #000;}与{border:1px dashed #000}基本上看不出什么差别,但可以用标准化浏览器分辩出来.
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</div>
</div>
<div class="outer2">
<h3>这个边框存在质量问题<a href="http://homepage.yesky.com/">更多 ></a></h3>
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</div>
</body>
</html>