.Product__SlideshowNav--thumbnails{
  max-height: 600px;
  overflow: hidden;
}

.Product__SlideshowNav--thumbnails .Product__SlideshowNavScroller{
  max-height: 600px;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.Product__SlideshowNav--thumbnails .Product__SlideshowNavScroller{
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.Product__SlideshowNav--thumbnails .Product__SlideshowNavScroller::-webkit-scrollbar{
  display: none;
}