How to implement an effect/animation for an "underwater" image?

Question

css

Guys, such a question, they asked me to implement an effect for the picture as if it were under water and swaying, we couldn’t find anything like that at all, please help.
Here is the example that is being referenced.
https://dribbble.com/shots/12234624-ocean-project-...

Answer 1

This is? I have dribbble blocked by ISP -_-

Answer 2

I guess this and this will come in handy