/* if you want to hide thumbnails on mobile */
@media screen and (max-width: 767px) {
    .lg-outer .lg-thumb-outer,
    .lg-outer .lg-thumb-outer.lg-grab .lg-thumb-item,
    .lg-outer .lg-thumb-outer.lg-grabbing .lg-thumb-item,
    .lg-actions .lg-next:before,
    .lg-actions .lg-prev,
    .lg-actions .lg-prev:after,
    .lg-next.lg-icon {
        display: none;
    }
}