content: import React from 'react';
  import PropTypes from 'prop-types';
  import compose from 'recompose/compose';
  import { withStyles } from 'material-ui/styles';
  import Paper from 'material-ui/Paper';
  import Hidden from 'material-ui/Hidden';
  import withWidth from 'material-ui/utils/withWidth';
  import Typography from 'material-ui/Typography';
  
  const styles = theme => ({
    root: {
      flexGrow: 1,
    },
    container: {
      display: 'flex',
    },
    paper: {
      padding: theme.spacing.unit * 2,
      textAlign: 'center',
      color: theme.palette.text.secondary,
      flex: '1 0 auto',
      margin: theme.spacing.unit,
    },
  });
  
  function BreakpointOnly(props) {
    const { classes } = props;
  
    return (
      <div className={classes.root}>
        <Typography variant="subheading">Current width: {props.width}</Typography>
        <div className={classes.container}>
          <Hidden only="lg">
            <Paper className={classes.paper}>Hidden on lg</Paper>
          </Hidden>
          <Hidden only="sm">
            <Paper className={classes.paper}>Hidden on sm</Paper>
          </Hidden>
          <Hidden only={['sm', 'lg']}>
            <Paper className={classes.paper}>Hidden on sm and lg</Paper>
          </Hidden>
        </div>
      </div>
    );
  }
  
  BreakpointOnly.propTypes = {
    classes: PropTypes.object.isRequired,
    width: PropTypes.string.isRequired,
  };
  
  export default compose(withStyles(styles), withWidth())(BreakpointOnly);
  