#header { width:960px; height:150px; background-color: #D9FFFF; }

#left-col {
float:left;
width:200px;
}

#middle-col {
background-color:#FFFFFF;
float:left;
width:550px;
padding:5px;
}

#right-col {
float:left;
width:200px;
}

#footer { clear:both; width:960px; text-align:center; }