body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    margin-bottom: 20px;
    font-size: 24px;
    color: #555;
}

canvas {
    display: block;
    margin: 0 auto;
    background-color: #e9e9e9;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.controls {
    margin-top: 20px;
}

button {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 10px 20px;
    margin: 5px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

label {
    font-size: 14px;
    color: #555;
    margin-left: 10px;
}

input[type="checkbox"] {
    transform: scale(1.2);
    margin-right: 5px;
}