Install
This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.
Install straight from GitHub with WP-CLI:
wp plugin install https://github.com/jonschr/rhino-notice/archive/refs/heads/main.zipUpdates itself. It ships its own updater (Plugin Update Checker), so new versions appear under Dashboard → Updates.
Rhino Notice
To use this plugin, just activate it, and then add a class of "rhino" to any link or to any wrapper for a link. So, either of these will work:
Customization of main output
You can customize the output like this, if you need to change the text:
Customization of the link