.val-fieldset {
width:100px;
border:none;
font-weight:bold;
font-size:12px;
}
.valoracion {
width: 100px;
height: 21px;
display: block;
background:url(http://lh5.googleusercontent.com/-Sp-iHFztZdc/UVD89O9oM1I/AAAAAAAAEU0/Xh-FBDaWyJY/s000/estrellas.png) 0 0 no-repeat;
}
.val-0 {background-position: -100px -0;}
.val-5 {background-position: -81px -21px;}
.val-10 {background-position: -81px 0;}
.val-15 {background-position: -61px -21px;}
.val-20 {background-position: -60px 0;}
.val-25 {background-position: -40px -21px;}
.val-30 {background-position: -40px 0;}
.val-35 {background-position: -21px -21px;}
.val-40 {background-position: -21px 0;} 
.val-45 {background-position: 0 -21px;}
.val-50 {background-position: 0 0;}