body {
    font-family: sans-serif;
    margin: 0;
}

header {
    background-color: #222;
    color: #fff;
    padding: 1rem 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center; 
}

nav li {
    display: inline-block;
    margin: 0 1rem;
}

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

.hero {
    background-color: #f0f0f0;
    padding: 2rem 0;
    text-align: center;
}

.button {
    background-color: #333;
    color: #fff;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 5px; 
}

footer {
    background-color: #222;
    color: #fff;
    padding: 1rem 0;
    text-align: center; 
}