#header
{
    background-color:Black;
    position:absolute;
    top:0px;
    left:0px;
    width:1000px;
    height:150px;
}
#nav
{
    background-color:Silver;
    position:absolute;
    top:150px;
    left:0px;
    width:218px;
    height:448px;
    
}
#content
{
}