.jssora21l, .jssora21r, .jssora21ldn, .jssora21rdn { position: absolute; cursor: pointer; display: block; background: url(img/a04.png) center center no-repeat; overflow: hidden; } .jssora21l { background-position: -3px -33px; } .jssora21r { background-position: -63px -33px; } .jssora21l:hover { background-position: -123px -33px; } .jssora21r:hover { background-position: -183px -33px; } .jssora21ldn { background-position: -243px -33px; } .jssora21rdn { background-position: -303px -33px; }