body { margin: 100; padding: 0; width: 760px; }
#container { width: 760px; }
div { border: #fff 0px solid; }
#header { width: 760px; float: left; }
#main-holder { width: 600px; float: left; }
#extra { width: 150px; float: right; }
#main { width: 440px; float: right; }
#subnav { width: 150px; float: left; }
#footer { width: 760px; float: left; }

.container {background:#ccc; color:#000; margin:0 15px;}
.rtop, .rbottom{
display:block;
background:#fff;
}
.rtop *, .rbottom *{
display: block;
height: 1px;
overflow: hidden;
background:#ccc;
}
.r1{margin: 0 5px}
.r2{margin: 0 3px}
.r3{margin: 0 2px}
.r4{
margin: 0 1px;
height: 2px
}