.swiper-wrapper { height: fit-content; }
.swiper-wrapper .swiper-slide video { display: block; }
.swiper-wrapper .swiper-slide .mobile { display: none; }
.swiper-wrapper .swiper-slide .desktop { display: block; }

@media (max-width: 600px) {
  .swiper-wrapper .swiper-slide .mobile { display: block; }
  .swiper-wrapper .swiper-slide .desktop { display: none; }
}