I don't see option to edit CSS/HTML for a theme

[ondrej]

Hello!

This is a feature that has been added to Discourse lately. You can read up on this in the topic linked below

Restrict editing of remote themes

For quite a while, best practice has been to avoid editing themes installed from a remote Git repository locally on Discourse. Any changes to theme code or uploads get wiped out when updating the theme from the remote repo. In this commit, we’ve removed the ability to locally edit a remote theme and are now enforcing this best practice in Discourse. What happens if I have a remote theme with local changes? Nothing at this point. Your theme stays as is until you remove it or update it from re…

Thanks!