.sprite-y.box-left-1 { background-position:  -0px -0px; height: 5px; width: 14px; }
.sprite-y.box-left-2 { background-position:  -14px -0px; height: 5px; width: 5px; }
.sprite-y.box-right-1 { background-position:  -19px -0px; height: 5px; width: 14px; }
.sprite-y.box-right-2 { background-position:  -33px -0px; height: 5px; width: 5px; }