Header dumb component from the Lexi React WP theme: https://github.com/lamosty/lexi/blob/master/src/components/Header.js

Header.js

import React, { Component } from 'react';

export default class Header extends Component {
    render() {
        return (
            <div className="blog-header">
                <div className="container">
                    <h1 className="blog-title">The Bootstrap Blog</h1>
                    <p className="lead blog-description">An example blog template built with Bootstrap.</p>
                </div>
            </div>
        );
    }
}