There are 5 repositories under miniflux-theme topic.
Miniflux v2 的自定义主题 miniflux-theme-reeder(仿 Reeder)
A dark redisch Miniflux theme that aims to be the most readable and modern minimal Miniflux theme out there.
I wrote Miniflux custom CSS for a more minimal and black interface for mobile/desktop
A theme with 6 color variations for the miniflux rss reader