I made a dark theme on my social media network. You can download the .css file and get the data here (145https://lettuce-it.tribe.so/post/dark-theme-css-code-modified-so-anything-related-with-af0a0a-is-replaced-wi--5f454f31e7590040c57e92d3145)145
It's black and purple, but you can change it you know.
It is kinda buggy, yet it will cover almost everything with your tribe network. You should try it out.