/* Mobile: max-width 768px */
@media (max-width: 768px) {
    .wf-mobile {
        display: block;
    }
    .wf-desktop {
        display: none;
    }
}

/* Desktop: min-width 769px */
@media (min-width: 769px) {
    .wf-mobile {
        display: none;
    }
    .wf-desktop {
        display: block;
    }
}