Dark mode. I haven't had full night of sleep for years, all curtains in my house are closed in daytime due to this. Haven't seen a morning for years. landlord refuse to repair a fault in the mains water system (nasty high pitch whistle noise 24/ 7) that prevents mine and another person's sleep. (Lack of sleep keeps my pain condition flared up) Chief executive has blamed us in writing. Lawyer stage now. /
Housing ombudsman's Dispute resolution adjudicator.. ignored all the evidence.. I've been advised that's possible fraud. This farce is being written in my note book, has been for a while, and might be the best Anger management therapy I could have.
On the web I use DuckDuckGo search engine. It has a dark theme, so search results are dark in previews while is handy.