html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000000;
    color: rgba(255, 255, 255, 0.87);
}

#app {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#game-container {
    width: 100%;
    height: 100%;
    touch-action: none;
}

#game-container canvas {
    display: block;
    margin: 0 auto;
    touch-action: none;
    pointer-events: auto !important;
}