ModernRail

 heavily restyles the Oasis right rail by adding icons for every module, making the modules uniform in appearance, replacing old-style links with WDS links, and adding hover styling.

Installation
Add one of the codes into your wiki's MediaWiki:Wikia.css page or your personal Wikia.css page. Either one must be added at the top of the page, otherwise, it won't work.

For Light-Themed Wikis

For Dark-Themed Wikis