.gallery-item {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #f2f2f2;
}
.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.gallery-item:hover .gallery-img {
  transform: scale(1.06);
}