MediaWiki talk:Common.css
Test for icons:
If I insert this image from Commons, does it produce a local copy?
![](https://upload.wikimedia.org/wikipedia/commons/d/d6/Icons-mini-file_acrobat.png)
No.
Actually, my Adblock was blocking the background image because it's hosted on a different site? Psephomancy (talk) 01:23, 5 September 2018 (UTC)