How to uninstall plugin and theme?

This is weird. I can’t seems to find any instruction anywhere on how to uninstall plugin and theme. I suspect the Cobra Theme is giving me some problems.
Can someone help provide me guidance on how to install them?
When I click the cobra theme that I have insalled, all I got is this:


Go to ... > Plugins > Installed > Themes

Then, either turn the toggle off, or uninstall the theme from the little gear:

P.S. I’m moving this post to #questions-and-help as it’s a third-party related question and not a bug in core Logseq.

@Ramses . Thanks a lot. The dark theme is so dark that I can’t even spot that there is a gear icon at the bottom left. Thanks.