Google Chrome and Mozilla Firefox will soon support a new CSS media query called 'prefers-color-scheme' that let's sites know whether you prefer a dark mode, light mode, or have no preference.

In the next official update to macOS Mojave, Apple's Safari browser will enable automatic Dark Mode for websites that support it. Since the ...

With the Safari included in the 10.14.4 update the same thing will happen for websites with a dark theme, with the right CSS set up. Have a look at how it works here: ...