div#container {width: 80%; margin: 0 auto; min-width: 790px; max-width: 1000px;}
div#wrapper {float: left; width: 100%}
div#content {margin: 0 215px;}
div#footer{clear: left; width:100%}
div#navigation {float: left; width: 200px; margin-left: -100%;}
div#extra {float: left; width: 200px; margin-left: -200px; }