.carousel-control{
    background: none !important;
}
.carousel a {
    height: 100%;
}
.carousel a,
.carousel .carousel-indicators{display: none;}
.carousel:hover a,
.carousel:hover .carousel-indicators{display: block;}
.carousel a span{
    background: #000;
    border-radius: 50%;
    color: #fff;
    height: 40px;
    line-height: 40px;
    width: 40px;
}
.carousel a.right span{right: 40%;}
.carousel .carousel-indicators li.active{background: #5E5E5E;}
.carousel .carousel-indicators li{background: #A6A6A6;}
.carousel .carousel-inner .item img {width: 100%;}