Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.
Using this template on a user's talk page generates this:
Hello WikiProject Geocaching, you are invited to participate in WikiProject Geocaching, a project dedicated to developing and improving articles about Geocaching and similar topics such as Letterboxing. If you would like to join, please visit the members page. Thank you, ~~~~
This article is within the scope of WikiProject Geocaching, a collaborative effort to improve the coverage of Geocaching on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.GeocachingWikipedia:WikiProject GeocachingTemplate:WikiProject GeocachingGeocaching
