#header {
    margin:0;
    height:200px;
    border-bottom: 1px solid black;
}

#topNavigation {
    text-align:right;
    float:right;
    margin-right:10px;
}

#bottomNavigation {
    text-align:center;
}

#main {
    margin: 0px auto;
    border:1px solid black;
    width: 1024px;
}