section.gallery .gallery-item {
  width: 100%;
}
section.gallery .gallery-item .item-outer {
  height: 100%;
}
section.gallery .gallery-item .img-wrapper {
  min-height: 75%;
}
section.gallery .gallery-item .img-wrapper img {
  width: 100%;
  max-height: 690px;
  -o-object-fit: cover;
     object-fit: cover;
}
@media screen and (min-width: 100em) {
  section.gallery .gallery-item .img-wrapper img {
    max-height: 800px;
  }
}