CSS flipping panes

This is just an idea boiling for a little while. A great wall of flipping panes. It was supposed to be developed in JQuery, but CSS3 is all the rage nowadays, so here it goes. Go to demo here: https://azvavisuals.com/demo/flipper/

[Edit] This is a revised, more Kubric like version: https://azvavisuals.com/demo/flipper2/