Forum:I've just updated my colour skin on my wiki and now my infoboxes don't match how do i edit the css for those?

So i've just updated my colour scheme on my wiki and now my info boxes look way out of wack, can anyone tell me what page i need to go to to edit the css of my infobox template?
 * MediaWiki:Common.css. — 12:59, October 22, 2012 (UTC)