.flag-region {
    width: 16px;
    height: 11px;
    background: url(flags-regions.png) no-repeat
}

.flag-region.flag-bx {
    background-position: -16px 0
}

.flag-region.flag-es-ct {
    background-position: -32px 0
}

.flag-region.flag-nor {
    background-position: -48px 0
}

.flag-region.flag-occ {
    background-position: -64px 0
}