body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

#game-container {
    position: relative;
    width: 800px;
    height: 600px;
    border: 2px solid #fff;
    overflow: hidden;
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
}