.stempora {
	background: url("../img/stempora.png");
	display: inline-block;
	width: 10.6rem;
	height: 3.1rem;
	transition: all .0s ease-in-out;
   -moz-transition: all .0s ease-in-out;
   -webkit-transition: all .s ease-in-out;}

.stempora:hover {
	background-position: 0px -31px;
}