I just add this to ublock origin Addons -> uBlock Origin -> Preferences -> My Filters # HN dark Mode: news.ycombinator.com##body:style(background: black)

I just add this to ublock origin Addons -> uBlock Origin -> Preferences -> My Filters # HN dark Mode: news.ycombinator.com##body:style(background: black) news.ycombinator.com##td:style(color: #fafafa !important) news.ycombinator.com##table:style(background-color: #24273a) news.ycombinator.com##div.toptext:style(color: #fafafa) news.ycombinator.com##div.c00:style(color: #fafafa !important) news.ycombinator.com##a:style(color: #ffa000 !important) news.ycombinator.com##span#karma:style(color: #faa000 !important) news.ycombinator.com##span.pagetop:style(color: #fafafa !important) news.ycombinator.com##textarea:style(color: #696969 !important; background: inherit; ) news.ycombinator.com###hnmain:style(background: #24273a !important) I coppied this from an old HN post but changed the dark grey to catppaccino #24273a perfect for my old eyes