.card {
    overflow-y: scroll;
}

.card::-webkit-scrollbar {
    width: 0.5em;
}

.card-title {
    font-size: 1.5em;
    font-weight: bold;
    color: blue;
}

.card-img, .card-img-top {
    transition: transform .2s;
}

.card-img:hover, .card-img-top:hover {
    transform: scale(1.1);
}