Large gap between markdown blocks on mobile view

Hello,

The URL for the page having issue is 

https://www.infimumresearch.com/relaxation

On desktop, it's fine. But on mobile, there is a huge gap between successive markdown blocks. The gap persists no matter how I arrange the blocks in mobile view.

I've seen other posts on issues related to gaps on mobile view, but their solutions don't seem to work for me. My issue may be specific to markdown blocks. I don't understand custom CSS, so I don't know how to adapt other people's solutions to my case. Your help is greatly appreciated.

UPDATE: It looks like the solution in this video (https://www.youtube.com/watch?v=v7Xg1QRXHp0) works. I will keep the post in case anyone else has the same issue. Thank you everyone.