contiago-toolbar/app/containers/ArticlePage/components/Image.js

One of the options for outputting content from contiago xml-server

import styled from 'styled-components';

export default styled.div `
  position: relative;
  background-image: url(${(props) => props.src});
  background-position: 50% 50%;
  background-repeat: no-repeat;
  background-size: 100% auto;
`;