customization
How to hide i3wm's title bar properly
In i3wm, you can’t directly hide the title bar for stacked/tabbed containers. This article will enlighten you with a neat workaround.
Link
Yaru Dark Theme for Firefox
A dark theme which ports Ubuntu’s Yaru Dark theme to Firefox. It is written in CSS.
Link
Ecosia Darker
A dark theme for Ecosia, the green search engine. It is an open source project written in CSS. Check it out on GitHub.