Creating a multi-column slider in Webflow

I was working on this multi-column slider and I’m just having an issue with the display of the pics that I have in the “last slide wrapper” that I created to hold the last slides. It looks fine on desktop but not right on tablet or phone display. Could anyone give me some advice on how to fix this? Thank you in advance.

https://preview.webflow.com/preview/epley-custom-design-f356c0?utm_medium=preview_link&utm_source=designer&utm_content=epley-custom-design-f356c0&preview=800ccbed3c66d9aa5b22f0d973104508&pageId=622634ced9740c06c3eb0f83&workflow=preview


Here is my site Read-Only: LINK
(how to share your site Read-Only link)