content: import React from 'react'
  import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
  import styles from './HeaderButton.css'
  
  export default (props) => {
    if (props.hidden) {
      return null
    }
  
    return (
      <a onClick={ props.onClick } className={ styles.button } title={ props.title }>
        <FontAwesomeIcon icon={ props.icon } size='lg' />
      </a>
    )
  }
  