Thread:EvergreenFir/@comment-24544571-20131010002554

http://images.wikia.com/bradgftesting/images/9/93/Chat_instructions.png

Okay, GFC gave me a bit of instructions on my sandbox, Tuck copied the code to MediaWiki:Credits.css, but GFC said to "call it in my page".

Link to my page: User:Bill Cipher/Sandbox2

How exactly do you "call a code" in your page? 