How to center 2 slides out of 4 in swiper or slick-slider?

Question

css

Good afternoon.
How to center 2 slides out of 4 in swiper or slick-slider?
My task is to give the active class only 2 in the center in order to throw opacity 1 on this class, and
opacity 0.3 will default to the rest on the sides.
Or is there another option?

Answer 1

As an option:

Or using js to set custom active slides: