It shows a black box and.... nothing. Right clicking it doesn't even reveal to be a media player.
https://files.facepunch.com/forum/upload/488/e0423b2b-2921-48d6-80f7-58d61d14a5e8/Untitled-1.png
Tested with CSS and extensions disabled.
Two post examples:
LMAO Pics v. Insert witty title here
Blizzard announces new Overwatch character. It's a hamster. In a..
Vivaldi 1.15.1147.47 (Stable channel) (32-bit)
Revision d5684d4126246f8da528d655d87b1f0e74eaae2f-
OS Windows
JavaScript V8 6.5.254.41
Flash 27.0.0.159
