Help to find some easy Animation Tutorials pls

Hello guys.
I want simple and decent animations for my login button in my login screen. Not to much only decent.
But i cant find any good tutorials for Animations with ionic and i heard that css Animations would be buggy as hell in ionic?

So please can you give me a link for a tutorials to animate buttons? That would be nice.

PS: i heard of animations.min.js and the animations api but as i know the api dont work with safari and ios?

It’s not for buttons but it’s an example animation: