body,
html {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    /* Skryjte přebytečný obsah, aby se stránka nemohla posunout */
}

#gameContainer {
    z-index: 99;
    position: relative;
}

#gameCanvas {
    display: block;
    background-image: url('/assets/game/env/background_00.gif');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: bottom;
    width: 100%;
    height: 100vh;
}