Help needed : Scroll content on a sticky container

Design help General
1

Hello everyone, I’m in need of some help, I want to make a container sticky with a fixed height and overflow hidden, and the content inside to be revealed when scrolled with an opacity mask at the bottom. Is it possible to do this without interactions ?

Here’s an image to illustrate what I mean. Thank you !

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2

Did you ever get this solved @ludolsco? Having the exact same setup and can’t quite get it to work.