Safari – mobile menu

Hi guys!

I’ve imported onepress theme version: 2.2.1. and everything is ok besides mobile menu on my iPhone (safari) – it doesn’t work.. I can’t see antyhing.

on deskopt and android menu is working well. Does anyone can help me fix this problem?

link: http://bit.ly/2Q9nzo7

Thanks a lot!

The page I need help with: [log in to see the link]