html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #10141c;
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
}

#app, #game-container {
    width: 100%;
    height: 100%;
}

canvas {
    display: block;
}