Animation FLAT Design(material design)?

Question

css

Good day to all, I would like to ask you what popular animations you use, if "flat design" Maybe there are already some libraries in which animations are collected? For example, there are a lot of animation effects in the web version of whatsApp, or recently the Google browser has been updated and there are a lot of beautiful animations in Material Design

Answer 1

www.material-ui.com - you can use this
www.materializecss.com - or this
https://material.angularjs.org/latest/ - or this

Answer 2

Angular-Material
MaterializeCSS
Material-UI
Polymer
Here are frameworks that give animations like in Material. Last one from google