.carousel-image {
    display: block;
    height: 300px;
    /* set min-width, allow images to set cell width */
    min-width: 150px;
    max-width: 100%;
    margin-right: 10px;
    width: auto;
    /* vertically center */
    top: 50%;
    transform: translateY(-50%);

}

.carousel.is-fullscreen .carousel-image {
    height: auto;
    max-height: 100%;
}