body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f7f7f7;
    color: #333;
}

header {
    background: #670E10;
    color: #fff;
    padding: 15px;
    text-align: center;
}

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

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

main {
    padding: 20px;
}

footer {
    background: #222;
    color: #aaa;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}