nav {
    text-align: center;
    margin: 10px 0;
}

nav a {
    color: #e74c3c;
    text-decoration: none;
    font-weight: bold;
    margin: 0 10px;
}

nav a:hover {
    color: #c0392b;
    text-decoration: underline;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

#hero img {
    width: 100%;
    max-width: 1200px;
    height: auto;
    display: block;
    margin: 0 auto;
}