Tablet & Mobile Only Display Breaks Layout?

Hi all,

I’m just in the process of fixing some issues with responsive display on the site that have lead me to add in a “read more” interaction for mobile and tablet users. However, when I set the read more button to not display on desktop, it breaks the layout on the link block, not allowing me to change the flex settings on there or anything like that.

Here is my site Read-Only:

The issue is on the “Case Studies Template” page