content: import React from 'react';
  import PropTypes from 'prop-types';
  import clsx from 'clsx';
  import { withStyles } from '@material-ui/core/styles';
  import Button from '@material-ui/core/Button';
  
  // We can inject some CSS into the DOM.
  const styles = {
    root: {
      background: 'linear-gradient(45deg, #FE6B8B 30%, #FF8E53 90%)',
      borderRadius: 3,
      border: 0,
      color: 'white',
      height: 48,
      padding: '0 30px',
      boxShadow: '0 3px 5px 2px rgba(255, 105, 135, .3)',
    },
  };
  
  function ClassNames(props) {
    const { classes, children, className, ...other } = props;
  
    return (
      <Button className={clsx(classes.root, className)} {...other}>
        {children || 'class names'}
      </Button>
    );
  }
  
  ClassNames.propTypes = {
    children: PropTypes.node,
    classes: PropTypes.object.isRequired,
    className: PropTypes.string,
  };
  
  export default withStyles(styles)(ClassNames);
  