Testimonial slider being funny

I have a testimonial slider on my homepage (it’s a pre-bought template). When the site is in desktop mode, the slider moves erratically and shows empty space.

Could someone help me sort it out so that it works better?


Here is my site Read-Only:
https://preview.webflow.com/preview/lean-living?utm_medium=preview_link&utm_source=designer&utm_content=lean-living&preview=4aeef5f96355013fe6bb579459273f35&workflow=preview