.image-wrapper {
    position: relative;
    display: block;
}

.image-wrapper::after {
    content: attr(data-label);
    position: absolute;
    bottom: 8px;
    left: 8px;
    padding: 3px 6px;
    background-color: rgba(60, 60, 60, 0.65);
    color: #fff;
    font-size: 10px;
    line-height: 1;
    z-index: 2;
}