body {
    margin: 0;
    background: #000;
    overflow: hidden;
    font-family: Arial, sans-serif;
    color: white;
    text-align: center;
}

#menu, #shop {
    margin-top: 100px;
}

canvas {
    display: block;
    margin: 0 auto;
    background: #111;
    border: 2px solid #fff;
}

button {
    margin: 10px;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
}

#restartButton {
    margin-top: 20px;
    padding: 15px 30px;
    font-size: 22px;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 8px;
}