Steps to replicate the issue (include links if applicable):
- Open a Chromium-based browser (it's easier to debug this there than in Firefox)
- Go to https://en.wikipedia.org/wiki/Oceanic_whitetip_shark?safemode=1 (note safemode=1) with Page Previews enabled
- Hover on any article link
- Right-click the gear icon in the Page Preview popup → Inspect
- In DevTools, look at the Styles section
What happens?:
Styles are triplicated:
What should have happened instead?:
There should only be one left.