> npm install --save roboto-fontface material-icons
> put the below stuff into src/styles.scss
// for npm roboto-fontface package (to load local files)
$roboto-font-path: "~roboto-fontface/fonts" !default;
@import "~roboto-fontface/css/roboto/sass/roboto-fontface";
// for npm material-icons package (to load local files)
$material-icons-font-path: '~material-icons/iconfont/';
@import '~material-icons/iconfont/material-icons.scss';
