Colormag is not mobile-friendly according to Google Search Console

I did no modification when it comes to the stuff Google Search console is saying, but this is urgent and important to fix. It will affect the ranking on Google.

I ran a Google search console check on minimum 10 articles and I got very disappointing results->
Not Mobile Friendly:
1) Clickable elements too close together
2) Text too small to read
3) Content wider than screen

Considering I did no modifications I don’t understand.
Is there going to be some fix?
Screenshot: https://gyazo.com/299f2f5b6a4d484c315a7a2cb225fb86
Thanks.

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