CSS定義DIV圓角邊框
<!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" lang="zh-CN">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>testdiv</title>
<style>
#d1,#d3,#d4{
margin:5px 0px;
width:200px;
background-color:#eee;
}
#d1{
border:1px solid #444;
height:100px;
padding:0px 15px;
}
#d3,#d4{
margin-top:0px;
margin-bottom:0px;
border-left:1px solid #444;
border-right:1px solid #444;
}
.m{
height:100px;
width:200px;
padding:0px 15px;
position:relative;
}
#d3 .m{
margin:-4px 0px;
}
#d4 .m{
margin:-5px 0px;
}
.rt,.rb{
display:block;
width:232px;
margin-left:0px;
margin-right:0px;
}
.rt{
margin-top:5px;
}
.rb{
margin-bottom:5px;
}
.rt *,.rb *{
display:block;
height: 1px;
overflow: hidden;
background-color:#eee;
border-left:1px solid #444;
border-right:1px solid #444;
}
.r1{
margin: 0 5px;
background-color:#444;
}
.r2{
margin: 0 3px;
border-width:0px 2px;
}
.r3{
margin: 0 2px;
}
.r4{
margin: 0 1px;
height: 2px;
}
.rb1{
margin: 0 6px;
background-color:#444;
}
.rb2{
margin: 0 4px;
border-width:0px 2px;
}
.rb3{
margin: 0 3px;
}
.rb4{
margin: 0 2px;
}
.rb5{
margin: 0 1px;
height: 2px;
}
</style>
</head>
<body>
<div id="d1">R=...</div>
<b class="rt"><b class="r1"></b><b class="r2"></b><b class="r3"></b><b
class="r4"></b></b>
<div id="d3">
<div class="m">R=5</div>
</div>
<b class="rb"><b class="r4"></b><b class="r3"></b><b class="r2"></b><b
class="r1"></b></b>
<b class="rt"><b class="rb1"></b><b class="rb2"></b><b class="rb3"></b><b
class="rb4"></b><b class="rb5"></b></b>
<div id="d4">
<div class="m">R=6</div>
</div>
<b class="rb"><b class="rb5"></b><b class="rb4"></b><b class="rb3"></b><b
class="rb2"></b><b class="rb1"></b></b>
</body>
</html>
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