Exclude Pin It Button from Post Grid

Hi there, I am using a post grid block in some of my posts to display related posts from a certain tag. Is there a way to use some kind of CSS within the plug in settings to exclude the button from ever appearing on images within these types of blocks?

You can see what I mean at the very bottom of this post: https://sallysees.com/baja-california-sur-travel-guide/

And also via this screenshot: https://drive.google.com/file/d/1liitexul3UV3i1ZXbyd9R4id5sJ0RRTK/view?usp=sharing

Thanks! Sally