javascript - I saw a cool carousel image. Please tell me how to implement it.

Question

I saw that the carousel image on the page https://www.pingxx.com is so cool. How can I achieve the fade-out effect on both sides?

Answer 1

-webkit-mask-image:linear-gradient(-90deg,transparent,#000 22%,#000 48%,rgba(0,0,0,.2) 78%,transparent)

Answer 2

You can see it by checking the elements yourself