Auto-Switching a Website to Dark ModeYou can easily tell your site to use darker colors when a visitor is using a dark theme by using CSS media queries.
On Broken HTMLFrom time to time the idea is put forth that less common browsers need to start dealing with bad code. There are two problems with that view.
Pure CSS ButtonsAs part of a minor site optimizing kick, I replaced the validation labels with something smaller, less obtrusive, and directly on the page. I tried to duplicate the look of the classic antipixel-style buttons in CSS.
Readable Email and Web PagesIt's 2024. If you're still designing websites or email like you would design an 8.5x11" promotional hand-out on a sheet of paper, you really haven't been paying attention to how people use the internet over the past decade.
Reverse the Colors when Viewing a Web PageNot as good as a real dark mode, but you can easily reverse the colors on any website you're viewing, turning light pages dark and dark pages light.