#BG {
    position: fixed;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    z-index: -999;
}
#BG img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: -999;
}

#Desktop {
    width: 100%;
    height: 100%;
}

#SettingsWindow {
    display: none;
}
