<div style={{ width: 660, height: 'auto' }}>
  <ResponsiveEmbed aspect="a16by9">
    <embed type="image/svg+xml" src="/TheresaKnott_castle.svg" />
  </ResponsiveEmbed>
</div>;

<div style={{ width: 660, height: 'auto' }}>
  <ResponsiveEmbed aspectRatio="16by9">
    <embed type="image/svg+xml" src="/TheresaKnott_castle.svg" />
  </ResponsiveEmbed>
</div>;

Update ResponsiveEmbed example (#4362)