content: import React from 'react';
  import PropTypes from 'prop-types';
  import { withStyles } from 'material-ui/styles';
  import { LinearProgress } from 'material-ui/Progress';
  
  const styles = {
    root: {
      flexGrow: 1,
    },
  };
  
  function LinearQuery(props) {
    const { classes } = props;
    return (
      <div className={classes.root}>
        <LinearProgress variant="query" />
        <br />
        <LinearProgress color="secondary" variant="query" />
      </div>
    );
  }
  
  LinearQuery.propTypes = {
    classes: PropTypes.object.isRequired,
  };
  
  export default withStyles(styles)(LinearQuery);
  