div.checker span{background-image:url(../img/sprite-check.png);background-repeat:no-repeat;-webkit-font-smoothing:antialiased}div.checker{display:-moz-inline-box;display:inline-block;*display:inline;zoom:1;vertical-align:middle;margin:0;margin-right:15px;padding:0;position:relative}div.checker:focus{outline:0}div.checker,div.checker input,div.checker span{width:30px;height:28px}div.checker span{display:-moz-inline-box;display:inline-block;*display:inline;zoom:1;text-align:center;background-position:0 bottom}div.checker span.checked{background-position:0 top}div.checker input{opacity:0;filter:alpha(opacity=0);-moz-opacity:0;border:none;background:0 0;display:-moz-inline-box;display:inline-block;*display:inline;zoom:1}