User blog comment:Dser/What browser do you use for Wikia?/@comment-1318845-20120101044225/@comment-3060076-20120101045605

I'll vouch for Firebug. Before it, I guessed with CSS and copied codes from other wikis, and changed it the best I could. With Firebug, I can see what is gonna happen before I have to "plug it in" to the CSS page.