body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
}

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

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

main {
    padding: 20px;
}

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

.galerie img {
    width: 200px;
    height: 200px;
    margin: 10px;
}

form {
    background-color: #fff;
    padding: 20px;
    margin: 20px auto;
    max-width: 500px;
    border: 1px solid #ccc;
    border-radius: 10px;
}

form label {
    display: block;
    margin-bottom: 10px;
}

form input, form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form button {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

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