The custom CSS should be part of the default website, meaning you shouldn't have to change anything to be able to view them.
Are you maybe blocking some stuff with your browser? If you are using some strict anonymous browser setup or something, that could be the reason.
Edit: Or you mean you turned it off in the settings, of course then they wouldn't work, yeah.
I do not have this enabled, so all I see are the texts of the board-emojis.
Are you maybe blocking some stuff with your browser? If you are using some strict anonymous browser setup or something, that could be the reason.
Edit: Or you mean you turned it off in the settings, of course then they wouldn't work, yeah.