Is it just my old Phone or is Michelangelo Theme not really mobile responsive?

[Poni]

If you run Michelangelo theme as well please have a look on your phone. When I scroll down on product pages it kinda pushes me back up the page each time so I cant even get to the product details. Also I think the slider on homepage should resize for phone, it doesn't for me.

I got an old Iphone maybe that's why?