body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}
header {
    background: #222;
    color: white;
    padding: 1rem;
    text-align: center;
}
header nav a {
    color: white;
    margin: 0 10px;
    text-decoration: none;
}
header nav a:hover {
    text-decoration: underline;
}
main {
    padding: 20px;
}
.gallery {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.gallery img {
    max-width: 300px;
    border: 2px solid #ccc;
    border-radius: 4px;
}
footer {
    background: #222;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}