New lesson

import React, { Component } from 'react';
import styled from 'styled-components';
import { makeGridGallery } from '../helpers';

const property = `grid-auto-flow`;

const cases = ['column', 'row', 'dense'];

let alternatingChildren = [
  'grid-column: auto / span 3;',
  'grid-column: auto / span 6;',
];

export default makeGridGallery(cases, property, null, alternatingChildren);