common-ui-components/src/components/App/Header.js

import React, { Component } from 'react';

import logo from './logo-white.png';
import { HeaderWrapper, Logo } from './style.js';

export default class Header extends Component {
  render() {
    return (
      <HeaderWrapper>
        <Logo src={logo} alt="logo" />
        <h2>Simple UI demos</h2>
      </HeaderWrapper>
    );
  }
}