div#container{width:920px;padding: 0 10px;margin:0 auto}
div#wrapper{float:left;width:100%;}
div#content{margin: 0 220px;width:480px;}
div#navigation{float:left;width:200px;margin-left:-920px;}
div#extra{float:left;width:200px; margin-left:-200px;}
div#footer{clear:both;width:900px}