“KJK” Ответ

KJK

// in src/Dashboard.js
import * as React from "react";
import { Card, CardContent, CardHeader } from '@material-ui/core';

export default () => (
    <Card>
        <CardHeader title="Welcome to the administration" />
        <CardContent>Lorem ipsum sic dolor amet...</CardContent>
    </Card>
);

Thankful Tiger

KJK

{
  "styles": [
    "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css",
    "https://unpkg.com/kidlat-css/css/kidlat.css",
    "public/landscape.css"
  ]
}

Frightened Fowl