body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 700px;
    margin: auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

canvas {
    border: 1px solid #ccc;
    display: block;
    margin: 20px auto;
    max-width: 100%;
}

.formulas {
    background-color: #f9f9f9;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-top: 20px;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
}

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

@media (max-width: 768px) {
    body {
        margin: 10px;
    }
    .container {
        padding: 10px;
    }
}

#threeContainer {
    width: 100%;
    height: 400px;
}