#hero-hero-slider-mobile
{
    display: none;
}

@media (max-width: 900px) {
  .hero-slider {
    display: none !important;
  }

  #hero-hero-slider-mobile{
    display: block !important;
  }
}

.hero-slider {
    visibility: hidden;
}

.hero-slider.slick-initialized {
    visibility: visible;
}