A simple backdrop component put together from material ui documentation.
View sample code on codesandbox.
1. npm i material-ui-backdrop-component --save
import { BackdropComponent } from 'material-ui-backdrop-component'
Inside your render or return
<BackdropComponent />
import BackdropComponent from "material-ui-backdrop-component";
export default function App() {
return (
<>
<BackdropComponent />
</>
);
}