body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #141414;
    color: #fff;
    text-align: center;
}

header, footer {
    background-color: #1a1a1a;
    padding: 10px 0;
}

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

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

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

section {
    padding: 40px 20px;
}