<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>flexible 레이아웃</title>
<style type="text/css">
#wrap{width:100%}
#header{width:100%}
#container{_display:inline-block;width:100%}
#container:after{display:block;clear:both;content:''}
.snb{float:left;width:180px;margin-right:-200px}
#content{margin-left:200px}
#footer{width:100%}
div{margin:0 0 10px;padding:10px 0;color:#2d2c2d;font-family:Tahoma;font-size:14px;font-weight:bold}
#wrap{width:auto;margin:0;padding:10px;border:1px solid #bdbdbd;background:#f7f7f7}
#header{margin-top:10px}
#header,#container{width:auto;padding:10px;border:2px solid #bfbfbf;background:#e5e5e5}
.snb,#content{margin-top:10px;border:1px solid #bdbdbd;background:#fff;text-align:center}
#content{height:200px}
#footer{width:auto;padding:10px;border:2px solid #bfbfbf;background:#e5e5e5}
</style>
</head>
<body>
<div id="wrap">
<p>#wrap</p>
<div id="header">
<p>#header</p>
</div>
<div id="container">
<p>#container</p>
<div class="snb">
<p>.snb</p>
</div>
<div id="content">
<p>#content</p>
</div>
</div>
<div id="footer">
<p>#footer</p>
</div>
</div>
</body>
</html>