.nb4-simple-slider{
  position:relative;
  width:100%;
  height:360px; /* fallback, can be overridden per-device via Elementor responsive control */
  overflow:hidden;
  background:transparent;
}

.nb4-simple-slider__slide{
  position:absolute;
  inset:0;
  opacity:0;
  transition:opacity .35s ease;
  display:flex;
  align-items:center;
  justify-content:center;
}

.nb4-simple-slider__slide.is-active{opacity:1}

.nb4-simple-slider__slide img{
  max-width:100%;
  max-height:100%;
  width:auto;
  height:auto;
  object-fit:contain;
  display:block;
}