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

        .carousel-inner .carousel-item > div:first-child {
            display: block;
        }
}

@media (min-width: 768px) {

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

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