Dark mode switches your theme, however, to 's default blue theme. I tested dark mode across multiple browsers and platforms and can happily report it works on both Edge and Chrome on a PC and both Safari and Chrome on a Mac. You will first need to toggle on the beta version of before turning on dark mode. Now, you can fire off evening emails without needing to stare at a bright, white inbox.
The latest player in the dark-mode game is Microsoft's. We all stare at screens for large portions of our days and nights, and transforming bright, white backgrounds to black can ease the strain on our eyes. From YouTube, Twitter and Reddit to MacOS Mojave, websites and entire operating systems are getting in the dark-mode game.