rwb::src|App.js

import React, { Fragment } from 'react';
import axios from 'axios';
import { Container, Row, Col } from 'reactstrap';

import Post from './components/Post';
import Header from './components/Header';
import SideCard from './components/SideCard';

const App = () => (
  <Fragment>
  
    <Header />
    
    <main className="my-5 py-5">
      <Container className="px-0">
        <Row noGutters className="pt-2 pt-md-5 w-100 px-4 px-xl-0 position-relative">
        
          <Col xs={{ order: 2 }} md={{ size: 4, order: 1 }} tag="aside" className="pb-5 mb-5 pb-md-0 mb-md-0 mx-auto mx-md-0">
            <SideCard />
          </Col>
          
          <Col xs={{ order: 1 }} md={{ size: 7, offset: 1 }} tag="section" className="py-5 mb-5 py-md-0 mb-md-0">
            <Post />
          </Col>
          
        </Row>
      </Container>
    </main>
    
  </Fragment>
);

export default App;