Board Thread:Support Requests - Getting Technical/@comment-24264457-20200320155423/@comment-9605025-20200320161201

That template uses an HTML attribute to get the hover text. CSS applies to a tag's enclosed content, not the tag's attributes. Once an attribute has been set, it cannot be changed except via JS. If you want the hover text to display as all caps, you will need to set the attribute as such. Fortunately, there is an easy way to do this. You can use MediaWiki's  parser function which can convert the parameter text into uppercase letter before it gets assigned to the attribute. Here is a modified version of your template: 