il mio css e' questo

codice:
div#container{
    width: 775px;
    margin: 0px auto;   /*centra negli altri browsers*/
    text-align: left;   /*ripristina l' allineamento*/
	position: relative;
    font-size: 76%;
	} 

div#header{
	width: 775px;
	height: 95px
	}
	
div#downheader{
	width: 775px;
	height: 73px;

	left: 0;
    top: 95px; /*l' altezza dell' header*/
	background-image: url(images/down_header.jpg);
	background-repeat: no-repeat;
	font-size: 100%;
	color: #FFFFFF;
	padding: 0em 0 0 0px
    }

div#navigation{
	position: absolute;
	left: 0;
	top: 168px;
	width: 160px;
	\width:170px;
	w\idth:160px;
	padding: 0em 0 0 0px
	}
	
div#extra{
	position: absolute;
	right: 0;
	top: 168px;
	width: 160px;
	\width:170px;
	w\idth:160px;
	padding: 0em 0 0 0px
	}
	
div#content{
	margin: 0 170px;
	padding: 1em 10px;
	}

div#footer{
	text-align:center; 
	padding: 5px 0;
    background-color: #69c; 
	color: #000;
	clear: right
	}