@media (max-width: 768px) {
   #convenioCarousel .carousel-inner .carousel-item > div {
        display: none;
    }
   #convenioCarousel .carousel-inner .carousel-item > div:first-child {
        display: block;
    }
}

#convenioCarousel .carousel-inner .carousel-item.active,
#convenioCarousel .carousel-inner .carousel-item-next,
#convenioCarousel .carousel-inner .carousel-item-prev {
    display: flex;
}

/* display 3 */
@media (min-width: 768px) {

    #convenioCarousel .carousel-inner .carousel-item-right.active,
    #convenioCarousel .carousel-inner .carousel-item-next {
      transform: translateX(33.333%);
    }

    #convenioCarousel .carousel-inner .carousel-item-left.active,
    #convenioCarousel .carousel-inner .carousel-item-prev {
      transform: translateX(-33.333%);
    }
}

#convenioCarousel .carousel-inner .carousel-item-right,
#convenioCarousel .carousel-inner .carousel-item-left{
  transform: translateX(0);
}