<html >
<head>
<style>
.rtop, .rbottom{display:block;}
.rtop *, .rbottom *{display:block; height:1px; overflow:hidden;}
.r1{margin:0 5px; background:#CCCCCC}
.r2{margin:0 3px; border-left:2px solid #CCCCCC; border-right:2px solid #CCCCCC; background:#EEEEEE}
.r3{margin:0 2px; border-left:1px solid #CCCCCC; border-right:1px solid #CCCCCC; background:#EEEEEE}
.r4{margin:0 1px; height:2px; border-left:1px solid #CCCCCC; border-right:1px solid #CCCCCC; background:#EEEEEE}
.box{ margin:0; padding:5px 10px; border-left:#CCCCCC solid 1px; border-right:#CCCCCC solid 1px; background:#EEEEEE; font-size:12px}
</style>
</head>
<body>
<div id="container" style="background: #fff">
<b class="rtop"><b class="r1"></b><b class="r2"></b><b class="r3"></b><b class="r4"></b></b>
<div class="box">내용</div>
<b class="rbottom"><b class="r4"></b><b class="r3"></b><b class="r2"></b><b class="r1"></b></b></div>
</body>
</html>
춮처:http://blog.naver.com/hmleena/42024227