content: /* eslint-disable jsx-a11y/anchor-is-valid */
  import '../src/bootstrap';
  // --- Post bootstrap -----
  import React from 'react';
  import Button from '@material-ui/core/Button';
  import Typography from '@material-ui/core/Typography';
  import { makeStyles } from '@material-ui/styles';
  import Link from 'next/link';
  
  const useStyles = makeStyles(theme => ({
    root: {
      textAlign: 'center',
      paddingTop: theme.spacing.unit * 20,
    },
  }));
  
  function About() {
    const classes = useStyles();
  
    return (
      <div className={classes.root}>
        <Typography variant="h4" gutterBottom>
          Material-UI
        </Typography>
        <Typography variant="subtitle1" gutterBottom>
          about page
        </Typography>
        <Typography gutterBottom>
          <Link href="/">
            <a>Go to the main page</a>
          </Link>
        </Typography>
        <Button variant="contained" color="primary">
          Do nothing button
        </Button>
      </div>
    );
  }
  
  export default About;
  