Board Thread:Support Requests - Designing Your Wiki/@comment-4347751-20130724205510

Can somebody please explain what all of these mean .WikiHeader > nav .subnav { border:none; background-color:transparent; border-radius:23px 12px; } .WikiHeader > nav .subnav-2 accent { background-color: transparent; } What are subnavs, and whats the 2 and accent mean? 