body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: #f5f5f5;
}

header {
    background-color: #6b8e23;
    color: white;
    padding: 20px 0;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
}

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

main {
    padding: 20px;
    max-width: 800px;
    margin: auto;
    background-color: white;
}

h1, h2 {
    color: #333;
}

footer {
    background-color: #6b8e23;
    color: white;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
}