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

header {
    background-color: #333;
    color: white;
    padding: 10px 0;
    text-align: center;
}

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

nav ul li {
    display: inline;
    margin: 0 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

main {
    padding: 20px;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}

.gallery, .about, .contact {
    max-width: 800px;
    margin: 0 auto;
}

.gallery-images img {
    width: 100%;
    max-width: 300px;
    margin: 5px;
    display: inline-block;
}

@media (min-width: 600px) {
    .gallery-images img {
        width: 48%;
    }
}

@media (min-width: 900px) {
    .gallery-images img {
        width: 30%;
    }
}

form {
    display: flex;
    flex-direction: column;
}

form label {
    margin: 10px 0 5px;
}

form input, form textarea {
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form button {
    padding: 10px;
    background-color: #333;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

form button:hover {
    background-color: #555;
}