Install via npm

npm i materialgrammi ng-materialgrammi -s

Import the css file

Edit angular.json, find the styles array and add materialgrammi to your styles

"styles": [ "src/styles.css", "materialgrammi/materialgrammi.min.css"]

Import the Module

Edit your module, import Materitalgrammi's module to your imports

import { MaterialgrammiModule } from 'ng-materialgrammi';

imports: [MaterialgrammiModule]