How about Modern for Hacker News: https://www.modernhn.com/ - available for both Gecko and Chromium-based browsers.
There's also a Wikipedia version: https://www.modernwiki.app/ - tho now it just slightly redefines already modernized interface that was released months ago
There's also a Wikipedia version: https://www.modernwiki.app/ - tho now it just slightly redefines already modernized interface that was released months ago