wp-calypso/client/my-sites/checkout/src/components/ie-fallback.js

import styled from '@emotion/styled';

export const LeftColumn = styled.div`
	-ms-grid-column: 1;
	-ms-grid-row: 1;
`;

export const RightColumn = styled.div`
	-ms-grid-column: 3;
	-ms-grid-row: 1;
`;