We are using MUI (Material UI) framework. An overview of the MUI is available on their website

Material UI - Overview - Material UI

For Figma, we have a library of styles and components based from MUI to use in our designs

Web MUI

https://www.figma.com/file/bO3JrhSyG7yHMEuP0HRbhu/MUI-Design-System

Android Style Guide Files

Color styles

https://www.figma.com/file/AmhODIoHgodiObEtoe99Lp/1.-Colors-Android

Type Styles

https://www.figma.com/file/4x7PBFReHIxcXs8HbghBIg/2.-Android-Type-Styles

Common Styles