CSS实例(八)：不用图片实现宽度、高度自定的圆角矩形-优快云博客

根据google的analytics界面分析整理，个人觉得不错。虽然元素多了点儿、看起来复杂了点儿、样子不那么非常美观，但是可以随意设置圆角矩形的宽度及高度，很灵活。
　　不知为什么google用了b元素，有点奇怪。

　　页面源码：

Html代码

<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<metahttp-equiv="Content-Type"content="text/html;charset=GB2312"/>
<title></title>
<styletype="text/css">
html,body{
font-size:12px;
}
.round_border,.round_borderb{
display:block;
text-align:center;
}
.round_border_layer3,.round_border_layer2,.round_border_layer1,
.round_border_content{
border:1pxsolid#c4c4c4;
border-width:01px01px;
height:1px;
overflow:hidden;
}
.round_border_layer3{
margin:03px;
background:#c4c4c4;
}
.round_border_layer2{
margin:02px;
}
.round_border_layer1{
margin:01px;
}
.round_border_content{
height:300px;
padding:3px6px;
}
/*onlyforbetterappearance,notnecessary,http://wallimn.iteye.com*/
.round_border_layer2,.round_border_layer1{
border-color:#d3d4d5;
}
/*******************controlbar**********************/
.controlbar_border_layer3,.controlbar_border_layer2,.controlbar_border_layer1,
.controlbar_border_content{
background:#e9e9e9;
height:1px;
overflow:hidden;
}
.controlbar_border_layer3{
margin:03px;
}
.controlbar_border_layer2{
margin:02px;
}
.controlbar_border_layer1{
margin:01px;
}
.controlbar_border_content{
height:20px;
padding:01em;
line-height:20px;
vertical-align:middle;
}
/*onlyforbetterappearance,notnecessary,http://wallimn.iteye.com*/
.controlbar_border_layer1,..controlbar_border_layer2{
border-color:#f2f2f2;
}
</style>
</head>
<body>
<divstyle="width:260px;">
<bclass="round_border">
<bclass="round_border_layer3"></b>
<bclass="round_border_layer2"></b>
<bclass="round_border_layer1"></b>
</b>
<divclass="round_border_content">
<bclass="round_border">
<bclass="controlbar_border_layer3"></b>
<bclass="controlbar_border_layer2"></b>
<bclass="controlbar_border_layer1"></b>
</b>
<divclass="controlbar_border_content">
隔壁CSS
</div>
<bclass="round_border">
<bclass="controlbar_border_layer1"></b>
<bclass="controlbar_border_layer2"></b>
<bclass="controlbar_border_layer3"></b>
</b>
</div>
<bclass="round_border">
<bclass="round_border_layer1"></b>
<bclass="round_border_layer2"></b>
<bclass="round_border_layer3"></b>
</b>
</div>
</body>
</html>