兼容各种浏览器css圆角矩形的写法
<!DOCTYPE html>
<html>
<head>
<meta charset=" utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>div+CSS圆角矩形</title>
<style type="text/CSS">
body{
padding:20px;
background-color:#FFF;
font:100.01% "Trebuchet MS",Verdana, Arial,sans-serif
}
div#nifty{
margin:0 10%;
background:#9BD1FA
}
p{padding:10px}
div.rtop, div.rbottom{
display:block;
background:#FFF
}
div.rtop div, div.rbottom div{
display:block;
height:1px;
overflow:hidden;
background:#9BD1FA
}
div.r1{margin: 0 5px}
div.r2{margin: 0 3px}
div.r3{margin: 0 2px}
div.rtop div.r4, div.rbottom div.r4{
margin:0 1px;
height:2px
}
</style>
</head>
<body>
<div id="nifty">
<div class="rtop">
<div class="r1"></div>
<div class="r2"></div>
<div class="r3"></div>
<div class="r4"></div>
</div>
<p>哈哈哈哈哈哈哈哈哈</p>
<div class="rtop">
<div class="r4"></div>
<div class="r3"></div>
<div class="r2"></div>
<div class="r1"></div>
</div>
</div>
</body>
</hmtl>
