body {
    background-color: #0a0a0a;
    color: gold;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header, footer {
    background-color: #111;
    padding: 1em;
    text-align: center;
}
nav a {
    color: gold;
    margin: 0 10px;
    text-decoration: none;
}
main {
    padding: 2em;
}
img {
    max-width: 100%;
    border-radius: 8px;
}