HoverImageClass&Logo

This css code will add an new class named "hoverimage":

The hover image class will make images inside it lighter and will return to his origial color when you move your cursor over it.

Secondly it will do this automaticly with your logo.

Implementation
Copy this into your wiki's MediaWiki:Wikia.css @import('HoverImageClass&Logo/code.css', 'dev');