.photo-grid .grid-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

.photo-grid img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
}

@media (max-width: 900px) {
    .photo-grid .grid-wrapper {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}