Board Thread:Support Requests - Designing Your Wiki/@comment-33122991-20190623015333/@comment-9605025-20190623033912

Yes, it is entirely possible. There are several methods depending on how you have styled your infoboxes. Help:Infoboxes/CSS and Help:Infoboxes/Tags provide the relevant information for infobox-based solutions assuming you are already familiar with CSS. Alternatively, you can also use the generic method of page-specific CSS to target the infobox on that single page.