p.flex-caption.gd-flex-caption {
    width: 100%;
    padding: 2%;
    left: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    color: #fff;
    text-shadow: 0 -1px 0 rgba(0,0,0,0.3);
    font-size: 14px;
    line-height: 18px;
    position: absolute;
    margin: 0;
}