Our detectives are back with the following intel on this WordPress site
The site is using the Fukasawa theme by Anders Norén .
We could identify 1 plugins (there might be more) - Photo Gallery by 10Web – Mobile-Friendly Image Gallery
Fukasawa is a minimal masonry style blog theme for photographers and collectors. It features responsive & retina-ready design, support for the image, gallery and video post formats, five custom widgets, an archive page template, a gallery slideshow, custom accent color support, custom logo support, editor styles and translation ready code. Included translations: Swedish/svenska.
Photo Gallery is a powerful image gallery plugin with a list of advanced options for creating responsive image galleries with beautiful lightbox.