.portrait .desktop,
.portrait .mobile{
    width:100% !important;
    height:100% !important;
    object-fit:contain;
    object-position: center;
}

.portrait .desktop{
    display:block;
}
.portrait .mobile{
    display:none;
}

@media screen and (orientation: portrait){
    .portrait .desktop{
        display:none;
    }
    .portrait .mobile{
        display:block;
    }
}