How do I make more columns on my slider page?

I want to view 4 slides on one page rather than viewing 3 and then seeing one extra after sliding.

How do I do that?

https://preview.webflow.com/preview/buchwald-digital-consulting?utm_medium=preview_link&utm_source=designer&utm_content=buchwald-digital-consulting&preview=31c5d931bfaa6735ed0cef33f93cf715&workflow=preview