I think he is talking about using it from Chrome which uses gtk and yes it is possible but as pzmarzly pointed out: "You can attach it to Chrome: https://imgur

I think he is talking about using it from Chrome which uses gtk and yes it is possible but as pzmarzly pointed out: "You can attach it to Chrome: https://imgur.com/n8Mf7J3 https://imgur.com/n8Mf7J3 You can't do much more than changing the theme though, as Chrome window is managed mostly by its own rendering engine."