.lb--desktop-mobile {
  display: block;
}

@media (max-width: 990px) {
  .lb--desktop-mobile {
    display: inline;
  }
  .lb--desktop-mobile::before {
    content: '';
    display: inline-block;
    visibility: hidden;
    width: .25em;
  }
}

.lb--mobile-desktop::before {
  content: '';
  display: inline-block;
  visibility: hidden;
  width: .25em;
}

@media (max-width: 990px) {
  .lb--mobile-desktop {
    display: block;
    width: 0;
  }
}