The source project of this merge request has been removed.
theme: Add light styling to message buttons
Amends !855 (merged) by adding light theme styling, as suggested by @frederik.feichtmeier on !855 (comment 656604).
Additionally, adds light styling to .message-media-control:insensitive.
Screencast_from_27-11-19_01_18_31
I couldn't think of anything that could have been used as a reference for the light colors, so I had to decide them myself. I suppose design review is necessary for that reason.