body {
    margin: 0;
    padding: 0;
    color: rgba(255, 255, 255, 0.87);
    background-color: #1a1a1a;
    font-family: Arial, Helvetica, sans-serif;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    overscroll-behavior: none;
}

#app {
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

#game-container canvas {
    display: block;
}