.instagram-collage__images .instagram-collage__image-item {
  position: relative;
  width: 100%;
  padding-top: 100%;
}
.instagram-collage__images .instagram-collage__image-item * {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}