.cms-image-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: -10px;
}

.cms-image-gallery figure {
  position: relative;
  aspect-ratio: 1;
  margin: 0;
  overflow: hidden;
  background: #e5e4de;
}

.cms-image-gallery img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cms-image-gallery button {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 2px 8px #0002;
  font-size: 18px;
  line-height: 1;
}

@media (max-width: 600px) {
  .cms-image-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}