.tp-caption a {}

.tp-caption a:hover {}

.rev_slider .slotholder:after {
    width: 100%;
    height: 100%;
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    pointer-events: none;
 
    /* black overlay with 50% transparency */
    background: rgba(0, 0, 0, 0.45);
}