.stg-501 {
    background-image: url(../stg/501.png);
    background-repeat: no-repeat;
    display: inline-block;
}

.stg-501-1 {
    width: 300px;
    height: 300px;
    background-position: -1px -1px;
}

.stg-501-10 {
    width: 300px;
    height: 300px;
    background-position: -303px -1px;
}

.stg-501-11 {
    width: 300px;
    height: 300px;
    background-position: -605px -1px;
}

.stg-501-12 {
    width: 300px;
    height: 300px;
    background-position: -907px -1px;
}

.stg-501-13 {
    width: 300px;
    height: 300px;
    background-position: -1209px -1px;
}

.stg-501-14 {
    width: 300px;
    height: 300px;
    background-position: -1px -303px;
}

.stg-501-15 {
    width: 300px;
    height: 300px;
    background-position: -303px -303px;
}

.stg-501-16 {
    width: 300px;
    height: 300px;
    background-position: -605px -303px;
}

.stg-501-17 {
    width: 300px;
    height: 300px;
    background-position: -907px -303px;
}

.stg-501-18 {
    width: 300px;
    height: 300px;
    background-position: -1209px -303px;
}

.stg-501-19 {
    width: 300px;
    height: 300px;
    background-position: -1px -605px;
}

.stg-501-2 {
    width: 300px;
    height: 300px;
    background-position: -303px -605px;
}

.stg-501-20 {
    width: 300px;
    height: 300px;
    background-position: -605px -605px;
}

.stg-501-21 {
    width: 300px;
    height: 300px;
    background-position: -907px -605px;
}

.stg-501-22 {
    width: 300px;
    height: 300px;
    background-position: -1209px -605px;
}

.stg-501-23 {
    width: 300px;
    height: 300px;
    background-position: -1px -907px;
}

.stg-501-24 {
    width: 300px;
    height: 300px;
    background-position: -303px -907px;
}

.stg-501-25 {
    width: 300px;
    height: 300px;
    background-position: -605px -907px;
}

.stg-501-26 {
    width: 300px;
    height: 300px;
    background-position: -907px -907px;
}

.stg-501-3 {
    width: 300px;
    height: 300px;
    background-position: -1209px -907px;
}

.stg-501-4 {
    width: 300px;
    height: 300px;
    background-position: -1px -1209px;
}

.stg-501-5 {
    width: 300px;
    height: 300px;
    background-position: -303px -1209px;
}

.stg-501-6 {
    width: 300px;
    height: 300px;
    background-position: -605px -1209px;
}

.stg-501-7 {
    width: 300px;
    height: 300px;
    background-position: -907px -1209px;
}

.stg-501-8 {
    width: 300px;
    height: 300px;
    background-position: -1209px -1209px;
}

.stg-501-9 {
    width: 300px;
    height: 300px;
    background-position: -1511px -1px;
}