body {
    margin: 0;
    background: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: Arial, sans-serif;
}
#game-container {
    position: relative;
}
canvas {
    background: #A3B86C;
    border: 4px solid #fff;
    border-radius: 8px;
}
#score {
    position: absolute;
    top: 10px;
    left: 10px;
    color: white;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 2px 2px #000;
}