.sprite {background-image: url(spritesheet.png);background-repeat: no-repeat;display: block;}.sprite-challenge {width: 130px;height: 130px;background-position: -5px -5px;}.sprite-results {width: 130px;height: 130px;background-position: -145px -5px;}.sprite-solutions {width: 130px;height: 130px;background-position: -5px -145px;}