/* Predefined XHTML Tags */
body {
    margin: 0;
    padding: 0;
}
/* Custom defined IDs */
#HeaderNavigation {
    float: right;
}
#BackgroundColor {
    margin: 1em;
}
#Body {
    margin-left: 12em;
    margin-right: 1em;
}
#BodyLeft {
    margin-right: 1em;
}
#LeftContainer {
    float: left;
    width: 10em;
    clear: left;
}
#RightContainer {
    float: right;
    width: 12em;
    clear: right;
    margin: 1em;
    margin-right: 0em;
}
/* Custom defined Classes */