<style>
.boxMusic.blockItem {
position: absolute;
background: url(http://i39.tinypic.com/jkvj8h.png);
left: -462px;
bottom: -400px;
top: 300px;
-webkit-transition-duration: 0,1s;
width: 502px;
height: 113px;}
<link rel="stylesheet" type="text/css" media="screen,projection" href="http://skroc.pl/csss">
.boxMusic.blockItem:hover{
position: absolute;
left: -50px;
bottom: -400px;
top: 300px;
-webkit-transition-duration: 0,1s;
background-position: 51px; }
</style >
