text: import React from 'react'
  import Container from '@material-ui/core/Container'
  import Typography from '@material-ui/core/Typography'
  import Box from '@material-ui/core/Box'
  import ProTip from './ProTip'
  import Link from '@material-ui/core/Link'
  
  function MadeWithLove() {
    return (
      <Typography variant="body2" color="textSecondary" align="center">
        {'Built with love by the '}
        <Link color="inherit" href="https://material-ui.com/">
          Material-UI
        </Link>
        {' team.'}
      </Typography>
    )
  }
  
  export default function App() {
    return (
      <Container maxWidth="sm">
        <Box my={4}>
          <Typography variant="h4" component="h1" gutterBottom>
            Create React App v4-beta example
          </Typography>
          <ProTip />
          <MadeWithLove />
        </Box>
      </Container>
    )
  }
  