.uc-prez_port_ph{
    @media (orientation: landscape) {
        display:none !important;
    }
}
.uc-prez_land_ph{
    @media (orientation: portrait) {
        display:none !important;
    }
}
.uc-prez_port_pad{
    @media ((min-width: 850px) or (max-width: 639px)) {
        display:none !important;
    }
}
.uc-prez_land_pad{
    @media ((min-width: 639px) and (max-width: 850px)) {
        display:none !important;
    }
}