#top{position:relative;min-width:750px;max-width:800px;height:200px;margin:0 auto}#top > header{width:267px}#top > nav{position:absolute;top:100px;left:315px}#main{clear:both;width:750px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;margin:10px auto 0;padding:1ex 2em 2em}#content_area{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}body > footer{width:650px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;margin:2em auto 0}