content: import React from 'react';
  import PropTypes from 'prop-types';
  import { withStyles } from '@material-ui/core/styles';
  import Button from '@material-ui/core/Button';
  
  const styles = theme => ({
    button: {
      margin: theme.spacing.unit,
    },
    input: {
      display: 'none',
    },
  });
  
  function TextButtons(props) {
    const { classes } = props;
    return (
      <div>
        <Button className={classes.button}>Default</Button>
        <Button color="primary" className={classes.button}>
          Primary
        </Button>
        <Button color="secondary" className={classes.button}>
          Secondary
        </Button>
        <Button disabled className={classes.button}>
          Disabled
        </Button>
        <Button href="#text-buttons" className={classes.button}>
          Link
        </Button>
        <input
          accept="image/*"
          className={classes.input}
          id="flat-button-file"
          multiple
          type="file"
        />
        <label htmlFor="flat-button-file">
          <Button component="span" className={classes.button}>
            Upload
          </Button>
        </label>
      </div>
    );
  }
  
  TextButtons.propTypes = {
    classes: PropTypes.object.isRequired,
  };
  
  export default withStyles(styles)(TextButtons);
  