body {
        margin: 0;
        font-family: 'Montserrat', sans-serif;
        background: linear-gradient(135deg, #87CEEB, #32CD32);
        color: #333;
        padding: 20px;
        box-sizing: border-box;
    }

    header {
        text-align: center;
        padding: 50px 20px;
        background: rgba(255, 255, 255, 0.8);
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        margin-bottom: 30px;
    }

    h1 {
        font-size: 2.5rem;
        color: #2F4F4F;
        margin-bottom: 10px;
    }

    p.description {
        font-size: 1.2rem;
        color: #555;
    }

    .container {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }

    .card {
        background: rgba(255, 255, 255, 0.9);
        border-radius: 10px;
        padding: 20px;
        flex: 1 1 calc(33% - 40px);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 12px rgba(0,0,0,0.2);
    }

    .card img {
        width: 100%;
        height: auto;
        border-radius: 5px;
        margin-bottom: 15px;
    }

    .card h2 {
        font-size: 1.5rem;
        color: #2E8B57;
        margin-bottom: 10px;
    }

    .card p {
        font-size: 1rem;
        color: #666;
        line-height: 1.6;
    }

    pre {
        background: #f4f4f4;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #C71585;
    }

    @media (max-width: 1440px) {
        .card {
            flex: 1 1 calc(50% - 40px);
        }
    }

    @media (max-width: 1024px) {
        .card {
            flex: 1 1 100%;
        }
    }

    .footer {
        text-align: center;
        padding: 20px;
        margin-top: 30px;
        font-size: 0.9rem;
        color: #777;
    }

    a {
        color: #1E90FF;
        text-decoration: none;
        transition: color 0.3s;
    }

    a:hover {
        color: #104E8B;
    }