Webkit backface visibility not working

Question

I\'m building a simple example to flip a card using the -webkit-transform: rotateY property.

It was working fine a couple of days ago, but all of a sudd

Answer 1

It seems that it's not quite stable on Mac, I left chrome for a couple of hours with page with animation working and when I came back back-visibility just stop working. Chrome restart helped to solve the problem.