body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto Slab', serif;
        background: linear-gradient(135deg, #F5DEB3, #00FF7F, #800080);
        color: #333;
    }
    header {
        background: rgba(0, 0, 0, 0.7);
        padding: 20px;
        text-align: center;
        color: #fff;
    }
    h1, h2, h3, h4 {
        font-family: 'Orbitron', sans-serif;
        color: #00FFFF;
    }
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        padding: 40px;
    }
    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 20px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        transition: transform 0.3s;
    }
    .card:hover {
        transform: scale(1.05);
    }
    pre {
        background: #2d2d2d;
        color: #f8f8f2;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }
    code {
        font-family: 'Courier New', Courier, monospace;
    }
    img {
        width: 100%;
        height: auto;
        border-radius: 5px;
    }
    a {
        color: #00FF7F;
        text-decoration: none;
    }
    a:hover {
        text-decoration: underline;
    }
    @media (max-width: 768px) {
        header {
            padding: 15px;
        }
        .container {
            padding: 20px;
        }
    }