PortalRoot

Demos

Do you see the red box?

<PortalRoot>
  <div
    style={{
      position: 'fixed',
      top: '16rem',
      right: '1rem',
      width: '8rem',
      height: '8rem',
      placeContent: 'center',
      textAlign: 'center',
      backgroundColor: 'red',
      zIndex: 4000,
    }}
  >
    <P>My content</P>
  </div>
</PortalRoot>
<P>Do you see the red box?</P>