How to remove empty space in Slick carousel?

Question

css

Good afternoon! I encountered such a problem as the appearance of an incomprehensibly empty space in the Slick carousel when moving to the next slide. Does anyone know how to solve this?

Sandbox code:
https://jsfiddle.net/peachferris/zr5u0yLv/2/
Images to better understand what the problem is:




I hope to hear from you soon. Have a nice day)