MINOR: fixed CSS selectors so they used the #ForumContent. #4377
MINOR: fixed CSS selectors so they used the #ForumContent. #4377

mandrew/silverstripe-forum,gordonbanderson/silverstripe-forum,gordonbanderson/silverstripe-forum,Olliepop/silverstripe-forum,camfindlay/silverstripe-forum,Olliepop/silverstripe-forum,camfindlay/silverstripe-forum,mandrew/silverstripe-forum