body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    background-color: <?php echo $backgroundColor; ?>;
}
header {
background-image: url('https://picsum.photos/1200/400');
    background-size: cover;
    background-position: center;
    background-color: #f8b195;
    color: white;
    padding: 30px;
    text-align: center;
    font-size: 2em;
    border-bottom: 5px solid #f67280;
}
nav {
    background-color: #f67280;
    padding: 10px 0;
    text-align: center;
}
nav a {
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    font-weight: bold;
}
nav a:hover {
    background-color: #f8b195;
}