I've found a few typos etc. in 3.3's esri.css - is there a more appropriate place to report them?
width: 174x;
background-image: url(...));
border-color: none !important;
latter should be
border-color: transparent !important;
I can't get green ticks in my web developer toolbar for my own CSS if there are errors in yours 😉
http://support.esri.com/ -> Support Form Request