Today, I found the full-screen model button in the embedded video in the following website disappears. Why?
https://www.elastic.co/webinars/getting-started-elasticsearch
Anybody of Elastic team answering this question?
Seems to be an issue with other videos as well. Maybe @Brian_Cotter can shed some light on this?
Someone is going to take a look at this and see what we can do 
This should now be fixed, thanks for your patience!