.stg-502 {
    background-image: url(../stg/502.png);
    background-repeat: no-repeat;
    display: inline-block;
}

.stg-502-1 {
    width: 300px;
    height: 300px;
    background-position: -5px -5px;
}

.stg-502-10 {
    width: 300px;
    height: 300px;
    background-position: -315px -5px;
}

.stg-502-11 {
    width: 300px;
    height: 300px;
    background-position: -625px -5px;
}

.stg-502-12 {
    width: 300px;
    height: 300px;
    background-position: -935px -5px;
}

.stg-502-13 {
    width: 300px;
    height: 300px;
    background-position: -1245px -5px;
}

.stg-502-14 {
    width: 300px;
    height: 300px;
    background-position: -5px -315px;
}

.stg-502-15 {
    width: 300px;
    height: 300px;
    background-position: -315px -315px;
}

.stg-502-16 {
    width: 300px;
    height: 300px;
    background-position: -625px -315px;
}

.stg-502-17 {
    width: 300px;
    height: 300px;
    background-position: -935px -315px;
}

.stg-502-18 {
    width: 300px;
    height: 300px;
    background-position: -1245px -315px;
}

.stg-502-19 {
    width: 300px;
    height: 300px;
    background-position: -5px -625px;
}

.stg-502-2 {
    width: 300px;
    height: 300px;
    background-position: -315px -625px;
}

.stg-502-20 {
    width: 300px;
    height: 300px;
    background-position: -625px -625px;
}

.stg-502-21 {
    width: 300px;
    height: 300px;
    background-position: -935px -625px;
}

.stg-502-22 {
    width: 300px;
    height: 300px;
    background-position: -1245px -625px;
}

.stg-502-23 {
    width: 300px;
    height: 300px;
    background-position: -5px -935px;
}

.stg-502-24 {
    width: 300px;
    height: 300px;
    background-position: -315px -935px;
}

.stg-502-25 {
    width: 300px;
    height: 300px;
    background-position: -625px -935px;
}

.stg-502-26 {
    width: 300px;
    height: 300px;
    background-position: -935px -935px;
}

.stg-502-3 {
    width: 300px;
    height: 300px;
    background-position: -1245px -935px;
}

.stg-502-4 {
    width: 300px;
    height: 300px;
    background-position: -5px -1245px;
}

.stg-502-5 {
    width: 300px;
    height: 300px;
    background-position: -315px -1245px;
}

.stg-502-6 {
    width: 300px;
    height: 300px;
    background-position: -625px -1245px;
}

.stg-502-7 {
    width: 300px;
    height: 300px;
    background-position: -935px -1245px;
}

.stg-502-8 {
    width: 300px;
    height: 300px;
    background-position: -1245px -1245px;
}

.stg-502-9 {
    width: 300px;
    height: 300px;
    background-position: -1555px -5px;
}