body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

header nav ul {
    padding: 0;
    list-style: none;
}

header nav ul li {
    display: inline;
    margin: 0 10px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
}

main {
    padding: 20px;
}

section {
    margin-bottom: 20px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 20px;
    background: #333;
    color: #fff;
    margin-top: 20px;
}

footer p {
    margin: 5px 0;
}

/* Basic Responsive Design */
@media (max-width: 768px) {
    header nav ul li {
        display: block;
        margin: 10px 0;
    }

    main {
        padding: 10px;
    }

    section {
        padding: 15px;
    }
}