/* Overlay for Revolution Slider Background Images */
.rev_slider .slotholder:after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* Dark overlay */
    z-index: 25; /* Above image (20), below text layers */
    pointer-events: none;
}