.version {
    width: 20px;
    height: 25px;
    background-image: url('/assets/img/version_sprite.png');
    display: inline-block; /* or block */
}

.number-1 {
    background-position: 1px 0px;
}

.number-2 {
    background-position: -18px 0px;
}

.number-3 {
    background-position: -38px 0px;
}

.number-4 {
    background-position: -58px 0px;
}

.number-5 {
    background-position: -79px 0px;
}

.number-6 {
    background-position: 0px 25px;
    width: 19px;
}

.number-7 {
    background-position: -19px 25px;
}

.number-8 {
    background-position: -40px 25px;
}

.number-9 {
    background-position: -60px 25px;
}

.number-0 {
    background-position: -80px 25px;
}