.masonry-gallery {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  grid-auto-rows: 200px;
  grid-auto-flow: dense;
  margin-inline: auto!important;
  width: 100%;
}

.masonry-gallery > div {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.masonry-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.masonry-gallery .wide { grid-column: span 2; }
.masonry-gallery .tall { grid-row: span 2; }
.masonry-gallery .big  {
  grid-column: span 2;
  grid-row: span 2;
}

.masonry-gallery > div a {
    overflow: hidden;
    height: 100%;
    width: 100%;
}