.overflow-multiline {
    display: -webkit-box;
    -webkit-line-clamp: 6; /* Show 3 lines of text */
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-img-top{
    height: 300px;
    overflow-y: hidden;
}
.min-height-250{
    min-height: 250px;
}
    @media (max-width: 991.98px)  {
    .col-md-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .min-height-250{
        min-height: 150px;
    }
}