.bg_o9{
    background: url(../png/prbi9w.png) 0 0 repeat;
}
.bg_o10{
    background: url(../png/ep63ea.png) 0 0 repeat;
}
.bg_o11{
    background: url(../png/mc1qc8.png) 0 0 repeat;
}
.bg_o12{
    background: url(../png/nb6a9e.png) 0 0 repeat;
}