elementary-os-theme
There are 3 repositories under elementary-os-theme topic.
Zonnev/elementaryos-firefox-theme
This theme for Firefox supports all the window buttons layouts from Tweaks and it blends into the elementary OS user interface.
Zonnev/elementaryos5-firefox-theme
This theme for Firefox supports all the window buttons layouts from Tweaks and it blends into the elementary OS 5 (Hera) user interface.
Blackmanx/elementaryOS-lockscreen-bgreplacer
Little script that changes your login/lock screen's background.