[Request for Dark Mode Feature on Fiverr Web and Mobile App]

Check this out! 
If f.lux is not enough, there's a application for Windows which turns the whole screen on negative, so, for fiverr that means black theme everywhere. 

Plus, if you want to save your eyes even more (extreme mode) outside of fiverr, in all other apps and enviroments, this app is for you! 

https://zerowidthjoiner.net/negativescreen