html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    padding: 0;
    margin: 0;
}

body {
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
}

#game-wrapper {
    padding: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}