imagen gira 360

img {
margin: 0px;
border: 0px solid #eee;
-webkit-box-shadow: 4px 4px 4px rgba(0,0,0,0.2);
-moz-box-shadow: 4px 4px 4px rgba(0,0,0,0.2);
box-shadow: 4px 4px 4px rgba(0,0,0,0.2);
-webkit-transition: all 0.5s ease-out;
-moz-transition: all 0.5s ease;
-o-transition: all 0.5s ease;
}

img:hover {
-webkit-transform: rotate(-360deg);
-moz-transform: rotate(-360deg);
-o-transform: rotate(-360deg);
}