body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

header {
    background-color: #4CAF50;
    padding: 1rem 0;
}

header h1 {
    color: #fff;
    text-align: center;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
}

nav ul li {
    margin-right: 1rem;
}

nav ul li:last-child {
    margin-right: 0;
}

nav a {
    color: #333;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

main {
    margin: 1rem;
}

main h2 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

footer {
    background-color: #f4f4f4;
    padding: 1rem 0;
    text-align: center;
}

footer a {
    color: #4CAF50;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}