<!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>无标题文档</title>
<style type="text/css">
<!--
div {
height: 5em;
line-height: 5em;
text-align: center;
margin: 0;
padding: 0;
}
#d1, #d3, #d4, #d6 {
float: left;
background: #CCC;
}
#d1 {
width: 20%;
}
#d2 {
float: left;
width: 30%;
background: red;
}
#d3 {
width: 50%;
}
#d4 {
width: 200px;
margin-right: -3px;
}
#d5 {
background: red;
line-height: 1.4em;
text-align: left;
}
#d6 {
width: 300px;
float: right;
margin-left: -3px;
}
div[id="d4"] {
margin-right: 0 !important;
}
div[id="d6"] {
margin-left: 0 !important;
}
-->
</style>
</head>
<body>
<h2>百分比宽度</h2>
<div id="d1">20%</div>
<div id="d2">30%</div>
<div id="d3">50%</div>
<h2>自适应</h2>
<div id="d4">left:200px</div>
<div id="d6">right:300px</div>
<div id="d5">自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应</div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
<!--
div {
height: 5em;
line-height: 5em;
text-align: center;
margin: 0;
padding: 0;
}
#d1, #d3, #d4, #d6 {
float: left;
background: #CCC;
}
#d1 {
width: 20%;
}
#d2 {
float: left;
width: 30%;
background: red;
}
#d3 {
width: 50%;
}
#d4 {
width: 200px;
margin-right: -3px;
}
#d5 {
background: red;
line-height: 1.4em;
text-align: left;
}
#d6 {
width: 300px;
float: right;
margin-left: -3px;
}
div[id="d4"] {
margin-right: 0 !important;
}
div[id="d6"] {
margin-left: 0 !important;
}
-->
</style>
</head>
<body>
<h2>百分比宽度</h2>
<div id="d1">20%</div>
<div id="d2">30%</div>
<div id="d3">50%</div>
<h2>自适应</h2>
<div id="d4">left:200px</div>
<div id="d6">right:300px</div>
<div id="d5">自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应自适应</div>
</body>
</html>
div[id="d4"] {
margin-right: 0 !important;
} 我想请问这么写的意思
在IE6下测试还是有点问题，我重新改了一下，IE6和FF测试完全通过：
http://bbs.51js.