Board Thread:Support Requests - Designing Your Wikia/@comment-26513608-20150305000818/@comment-4189499-20150305020646

a[href="/wiki/User:YOURUSERNAME"] {color:YOURCOLOUR !important;} at MediaWiki:Wikia.css on your wiki, obviously replacing YOURUSERNAME with your username and YOURCOLOUR with your wanted colour, either in word, hex, or RGB form.
 * 1) CSS stands for Cascading Style Sheets and is the code which, along with HTML, make up the look of a webpage. HTML is the structure while CSS is the paint, you might say.
 * 2) That's a little hard to explain in detail to somebody who is new to CSS, but basically you write the following: