.igpg-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    max-width: 500px; /* or any width you want */
    margin: auto;
}

.igpg-item img {
    width: 100%;
    display: block;
    border-radius: 4px;
}