#gir {
    position: absolute;
    top: 0;
    left: 0;
    background-image:url('gir.png');
    height: 62px;
    width: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none
}  
.gir_1 {
    background-position: 0 0
}  
.gir_2 {
    background-position: 0 -62px
}  
.gir_3 {
    background-position: 0 -124px
}