.block_link_carousel .carousel-control .glyphicon {
    color: white;
}

.block_link_carousel .carousel-control .glyphicon:hover {
    color: black;
}

.block_link_carousel .carousel-inner .img-thumbnail {
    width: 100%;
    aspect-ratio: 1;
    text-align: center;
}

.block_link_carousel .carousel-inner .img-thumbnail .helper {
    display: inline-block;
    height: 100%;
    vertical-align: middle;
}

.block_link_carousel .carousel-inner .img-thumbnail img {
    vertical-align: middle;
    max-width: 95%;
    max-height: 95%;
}