You would need to do that directly in the theme files. I’ve done a few customisations like that for our [iurl=https://geek.hellyer.kiwi/services/premium-support/]Premium Support members[/iurl], but it’s not something that I’ll be implementing into a plugin any time soon as it isn’t a common request, plus most requests for that type of functionality are quite specific in how they behave and so would need a mountain of different options to configure it, at which point it’s easier to just modify the template directly rather than using a plugin.