body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    color: #333;
}

header {
    background-color: #2e8b57;
    color: white;
    padding: 20px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

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

section {
    padding: 40px 20px;
    max-width: 800px;
    margin: auto;
}

h2 {
    color: #2e8b57;
}

ul {
    padding-left: 20px;
}

footer {
    background-color: #2e8b57;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}