My composition looks great when I run it locally or in a server (no iframe), however it just doesn't work when running inside an iframe. It looks like a styles problem because the console doesn't show any script error. This only happens with Google Chrome, if I run it with Firefox the styles are not perfect but it works fine.
I attached images of the element inspection.
Is there any way to fix this? I think this is not about CORS because everything is hosted in the same server...