.item {
    position: relative;
    /* width: 50%; */
    /* max-width: 300px; */
}

.overlay {
    position: absolute;
    bottom: 0;
    background: rgb(0, 0, 0);
    background: rgba(0, 0, 0, 0.5);
    /* Black see-through */
    color: #f1f1f1;
    width: 100%;
    transition: .5s ease;
    opacity: 1;
    color: white;
    font-size: 20px;
    padding: 20px;
    text-align: center;
}