Browser won't stay in dark mode in Windows 11

@CharlieATL,
The browser theme only comprises elements of the browser itself — not the websites in which you’re visiting. So nothing is technically wrong with the Win11 image.

You can force dark web content however by using a flag:

  1. Visit brave://flags
  2. Search for a flag called #enable-force-dark:
  3. Set teh flag to Enabled and relaunch the browser when prompted