User Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:70.0) Gecko/20100101 Firefox/70.0
Steps to reproduce:
When using CSD with Ubuntu Mate 19.10 the top window button are trimed from right and left using Ambiant Mate and Radiant Mate themes. Buttons wer displayed correctly on Ubuntu Mate 18.04.3 LTS.
Bugbug thinks this bug should belong to this component, but please revert this change in case of error.