Chrome is webkit (prefix -webkit like you arleady use it)
mozilla is here (first hit on google) (prefix -moz)
-moz-transform:  rotate(30deg);
opera is this (google) (prefix -o)
-o-transform: translateX(50px);
-o-transform: translateY(100px);
EDIT: this shows a 3d-effect in mozilla. maybe that helps.
                  oezi
                   2010-10-21 06:38:59