3D圆角样式层
<style type="text/css">
.raised{background:transparent;width:40%;}
.raised h1,.raised p{margin:0 10px;}
.raised h1{font-size:2em;color:#fff;}
.raised p{padding-bottom:0.5em;}
.raised .b1,.raised .b2,.raised .b3,.raised .b4,.raised .b1b,.raised .b2b,.raised .b3b,.raised .b4b{display:block;overflow:hidden;font-size:1px;}
.raised .b1,.raised .b2,.raised .b3,.raised .b1b,.raised .b2b,.raised .b3b{height:1px;}
.raised .b2{background:#eee;border-left:1px solid #fff;border-right:1px solid #eee;}
.raised .b3{background:#eee;border-left:1px solid #fff;border-right:1px solid #ddd;}
.raised .b4{background:#eee;border-left:1px solid #fff;border-right:1px solid #aaa;}
.raised .b4b{background:#eee;border-left:1px solid #eee;border-right:1px solid #999;}
.raised .b3b{background:#eee;border-left:1px solid #ddd;border-right:1px solid #999;}
.raised .b2b{background:#eee;border-left:1px solid #aaa;border-right:1px solid #999;}
.raised .b1{margin:0 5px;background:#fff;}
.raised .b2, .raised .b2b{margin:0 3px;border-width:0 2px;}
.raised .b3, .raised .b3b{margin:0 2px;}
.raised .b4, .raised .b4b{height:2px; margin:0 1px;}
.raised .b1b{margin:0 5px; background:#999;}
.raised .boxcontent{display:block;background:#eee;border-left:1px solid #fff;border-right:1px solid #999;}
</style>
<div class="raised">
<b class="b1"></b><b class="b2"></b><b class="b3"></b><b class="b4"></b>
<div class="boxcontent">
<h1>3D圆角矩形</h1>
</div>
<b class="b4b"></b><b class="b3b"></b><b class="b2b"></b><b class="b1b"></b>
</div>
<%--<div class="first" οnmοuseοver="this.className='gray'" οnmοuseοut="this.className='first'"> 鼠标移上去切換样式-->
效果:
无样式圆角层
<style type="text/css">
.divmark{ width:20px;}
.divmark .b1, .divmark .b2, .divmark .b3, .divmark .b4, .divmark .b1b, .divmark .b2b, .divmark .b3b, .divmark .b4b, .divmark .b{display:block;overflow:hidden;}
.divmark .b1, .divmark .b2, .divmark .b3, .divmark .b1b, .divmark .b2b, .divmark .b3b{height:1px;}
.divmark .b2, .divmark .b3, .divmark .b4, .divmark .b2b, .divmark .b3b, .divmark .b4b, .divmark .b{border-left:1px solid red;border-right:1px solid red;}
.b1,.b1b{margin:0 5px;background:red;}
.divmark .b2, .divmark .b2b{margin:0 3px;border-width:2px;}
.divmark .b3, .divmark .b3b{margin:0 2px;}
.divmark .b4, .divmark .b4b{height:2px;margin:0 1px;}
.divmark .d1{background:red;}
.divmark .k {height:10px;}
</style>
<div id="divmark" class="divmark">
<b class="b1"></b><b class="b2 d1"></b><b class="b3 d1"></b><b class="b4 d1"></b>
<div class="b d1 k">
</div>
<b class="b4b d1"></b><b class="b3b d1"></b><b class="b2b d1"></b><b class="b1b"></b>
</div>
效果如下: