.carousel-item
{
    height: 390px;
}

.carousel-item img
{   height: 390px;
    object-fit: cover;
}

.x
{
    color:#424649;

}


@media (min-width: 768px) { 
    #vis{
        display: none !important;
        visibility: hidden !important; 
        position: absolute !important;
    }
}