Board Thread:General Discussion/@comment-33432469-20181114171300/@comment-168424-20181114175711

All it is a CSS fragment that puts adjustable rounded corners on things... it doesn't do anything if not used in the proper context, so I would say it isn't actually that important.

It appears to only be used by 2 other templates:
 * https://tracybeaker.wikia.com/wiki/Template:CategoryBox
 * https://tracybeaker.wikia.com/wiki/Template:Quote(/Quotes)