.carousel-image-wrapper{position:relative}.carousel-image-wrapper img{width:100%;height:500px;object-fit:cover}.carousel-image-wrapper .overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4);z-index:1}.carousel-image-wrapper .carousel-caption{z-index:2;position:absolute;bottom:20px}