Slick Slider not working correctly. What to do?

Question

css

I made a layout with a slider, everything works fine, the slides switch automatically every 3s, the slides are looped.
Moved the template to WordPress where problems appeared.
After moving from the last slide to a new circle, part of the image turns white.

Answer 1

I'm not sure the slick works correctly without

slidesToShow: ... ,
slidesToScroll: ...