.cardshadow {
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
}

.cardshadow:hover {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19)!important;
}