#snake-game-container {
    text-align: center;
    margin: 20px auto;
    max-width: 700px;
}
#gameCanvas {
    border: 2px solid #000;
}
#score {
    font-size: 24px;
    margin: 10px 0;
}
#restartButton {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}