The user found errors while running their site through the W3C Validator for her Baskerville 2 theme:
Value Error : text-shadow Too many values or values are not recognized
Result
I reported it through Kathryn (p1548800215112100-slack-css-help) who thought that it may be a bug. Verified that it indeed was a bug (p1548802067991000-slack-themes) and to report it.
Steps to replicate
The user found errors while running their site through the W3C Validator for her Baskerville 2 theme:
Value Error : text-shadow Too many values or values are not recognized
Result
I reported it through Kathryn (p1548800215112100-slack-css-help) who thought that it may be a bug. Verified that it indeed was a bug (p1548802067991000-slack-themes) and to report it.