import React from 'react';
import { makeStyles, Theme, createStyles } from '@material-ui/core/styles';
import Badge from '@material-ui/core/Badge';
import MailIcon from '@material-ui/icons/Mail';

const useStyles = makeStyles((theme: Theme) =>
  createStyles({
    root: {
      '& > *': {
        margin: theme.spacing(1),
      },
    },
  }),
);

export default function SimpleBadge() {
  const classes = useStyles();

  return (
    <div className={classes.root}>
      <Badge badgeContent={4} color="primary">
        <MailIcon />
      </Badge>
      <Badge badgeContent={4} color="secondary">
        <MailIcon />
      </Badge>
      <Badge badgeContent={4} color="error">
        <MailIcon />
      </Badge>
    </div>
  );
}