gistfile1.txt

import React, { Component } from 'react';

export default class Follow extends Component {
  constructor(props) {
    super(props);
  }
  
  render() {

    return (
      <input
        className="follow"
        onClick={this.props.handleFollowClick()}
        style={{backgroundColor: this.props.followed ? 'green' : 'red'}}
        value={this.props.followed ? 'Follow' : 'Following'}
        />
    );
  }
}