#carousel-custom .carousel-indicators li img {
    opacity: 1;
}

.carousel-control-next, .carousel-control-prev {
    opacity: 1 !important;
    width: 20%;
}

@media (max-width: 600px) 
{
    .carousel-control-next, .carousel-control-prev {
        top: -250px !important;
    }
}