body {
    margin: 0;
    overflow: hidden;
    background-color: #000;
}

#game-container {
    position: absolute;
    width: 90vmin;
    height: 70vmin;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #111;
    border: 2px solid white;
    overflow: hidden;
}

#gameCanvas {
    width: 100%;
    height: 100%;
    display: block;
    background-color: #111;
}

#scoreboard {
    position: absolute;
    top: 10px;
    right: 20px;
    color: white;
    font-family: Arial, sans-serif;
    font-size: 20px;
    text-align: right;
    z-index: 10;
}