.face{background-size:300% 400%}.face-top{background-position:50% 0%}.face-top-left{background-position:0% 0%}.face-top-right{background-position:100% 0%}.face-middle-left{background-position:0% 33.33%}.face-middle{background-position:50% 33.33%}.face-middle-right{background-position:100% 33.33%}.face-bottom-left{background-position:0% 66.67%}.face-bottom{background-position:50% 66.67%}.face-bottom-right{background-position:100% 66.67%}.face-active{background-position:50% 100%!important}