Originally I wanted to report here Tutorials – Adobe Muse Widget Directory that your tutorial video for responsive composition widget (the second one) does not seem to exist on the server, an error message is shown instead, stating "dns server address could not be found".
So I wanted to report this to you via Report a Concern | Adobe Muse CC and, funny enough, first of all that well known"some files on the server may be missing or are incorrect"-message which is so dear to us appears, and then upon clicking "ok", your support site looks like, er, funny. The CSS seems to have said goodbuy.
See screenshot attached. I just wanted to give you notice.
This is really embarrassing and yes funny too.
The error "some files on the server missing" has started affecting to our own site also.
I will get this checked by the website owner, however, the composition widgets tutorial is playing very well at my end.
Maybe a temporary glitch, however, thank you very much for getting this in our notice.