text: import React from 'react';
  import { Link } from 'react-router-dom'
  import './MainNavigation.css'
  
  import './MainHeader'
  import MainHeader from './MainHeader';
  
  const MainNavigation = props => {
      <MainHeader>
          <button className="main-navigation_menu-btn">
              <span />
              <span />
              <span />
          </button>
          <h1 className="Navigation_title">
              <Link to="/">Your Places</Link> 
          </h1>
          <nav>
              ...
          </nav>
      </MainHeader>
  }