body {font-size:12px;}



#size .li1 a {background-position:0 -64px; width:60px;}
#size .li2 a {background-position:-60px 0; width:67px;}
#size .li3 a {background-position:-127px 0; width:70px;}

#size .li1 a:hover {background-position:0 -32px; width:60px;}
#size .li2 a:hover {background-position:-60px -32px; width:67px;}
#size .li3 a:hover {background-position:-127px -32px; width:70px;}