body{
    background: url('../images/desktop_background.png') no-repeat center center fixed !important;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
    overflow: hidden !important;
}

#gameFrame{
    width: 100%;
    height: 100%;
    margin: auto;
    overflow: hidden;
}