.carousel-fade .carousel-item {
    opacity: 0;
    transition-duration: .6s;
    transition-property: opacity;
   }
   
   .carousel-fade  .carousel-item.active,
   .carousel-fade  .carousel-item-next.carousel-item-left,
   .carousel-fade  .carousel-item-prev.carousel-item-right {
     opacity: 1;
   }
   
   .carousel-fade .active.carousel-item-left,
   .carousel-fade  .active.carousel-item-right {
    opacity: 0;
   }
   
   .carousel-fade  .carousel-item-next,
   .carousel-fade .carousel-item-prev,
   .carousel-fade .carousel-item.active,
   .carousel-fade .active.carousel-item-left,
   .carousel-fade  .active.carousel-item-prev {
    transform: translateX(0);
    transform: translate3d(0, 0, 0);
   }