.qty_btn{
    color: #fff;
    padding-top: .05rem!important;
    padding-bottom: .05rem!important;
    padding-left: .25rem!important;
    padding-right: .25rem!important;
}
.qty_btn_up{
    background-color: #28a745;
    border-color: #28a745;
}

.qty_btn_down{
    background-color: #dc3545;
    border-color: #dc3545;
}