.starRating span { 
	width: 48px; 
	height: 48px; 
	background-image: url(images/stars.png); 
	display: inline-block; 
	cursor: pointer; 
	background-position: -48px 0; 
}

.starRating span.chosen { 
	background-position: 0 0; 
}
.starRating:hover span { 
	background-position: -48px 0; 
}

.starRating:hover span.hoverChosen { 
	background-position: 0 0; 
}