body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f8ff;
}

.container {
    text-align: center;
}

canvas {
    background-color: #222;
    display: block;
    margin: 20px auto;
    border: 2px solid #555;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background-color: #1e90ff;
    color: white;
}

button:hover {
    background-color: #104e8b;
}