Embed Elm-UI into HTML Page

OK, it looks like Elm owns it’s own div tag while running with Chrome

I.e. this does not work:

  <div >
     <div id="elm-app"  style="height: 500px;"></div>
  </div>

but this does:

  <div style="height: 500px;">
     <div id="elm-app" ></div>
  </div>