body {
    font-family: Arial, sans-serif;
    background-color: #f0f0ff;
    color: #333;
    text-align: center;
}
header {
    background-color: #4a4e69;
    padding: 20px;
    color: white;
}
nav ul {
    list-style-type: none;
    padding: 0;
}
nav ul li {
    display: inline;
    margin: 0 15px;
}
nav ul li a {
    color: white;
    text-decoration: none;
}
.photo-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.photo-grid img {
    width: 200px;
    height: auto;
    border-radius: 8px;
}
main section {
    margin-bottom: 30px;
}

main ul {
    list-style-type: none;  
    margin-left: 20px;
}