Thank you Alex for your feedback. Concerning HTML/CSS implementation in Actionscript I found out that it is not totally true. Searching led me to this discoveries:
https://www.as3gamegears.com/misc/htmlwrapper/ https://web.archive.org/web/20110308200521/http://motionandcolor.com/projects https://web.archive.org/web/20110201053313/http://motionandcolor.com/projects/minihtml/ https://github.com/talltyler/HTMLWrapper https://web.archive.org/web/20100203073533/http://motionandcolor.com/wrapper/ https://drawk.wordpress.com/2008/01/11/as3-flash-to-html-conversion-library-htmlwrapper/ https://web.archive.org/web/20110310120049/http://motionandcolor.com/projects/htmlwrapper I hope that this can help to clear out and help us to make the difference what is fact from what is fiction. Best Regards