.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
}
.gallery-item {
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: .5rem;
  border: 1px solid rgba(0,0,0,.1);
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
}