You might’ve realised by now that this website has a convenient darkmode toggle, if you haven’t, I will assume everything is working as intendend and the site has followed your preferences so perfectly you didn’t even need to look for one. Usually the implementation of such modules is quite convoluted requiring a rewrite of your css, luckly for us, FomanticUI, the up-to-date fork of SemanticUI, and to a certain extent SemanticUI itself has already done 90% of the hard work...