Is anyone still unable to see the Background?

  1. Don’t use Stylish! Use Stylus instead! (links see this comment; also note that Stylus works great on the mobile version of FireFox)
  2. Isn’t Edge now based on Chromium? According to Google you could try this:
  1. Open Microsoft Edge.
  2. Click the main menu (threed-dotted) button in the top-right and select the Extensions option.
  3. Turn on the Allow extensions from other stores toggle switch.
  4. Click the Allow button.
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