googlebot – Content wider than the screen – clickable elements too close together – Google Webmaster Search Console

I have been receiving this error for over a month and I am trying desperately to reduce it. I ended up failing about it.

My website seems to work well on the Google Chrome emulator and also on all mobile phones. I have tried it on more than 30 devices and everything is ok on them.

The problem that causes the page is:

Please, can anyone tell me the solution? I've searched a lot and I ended up posting this problem here.
Thank you!