.carousel-control {
    width: 4%;
}

.slideshow-container {
    margin-top: 3rem
}

.carousel-control {
    position: absolute;
    top: 35%; /* pushes the icon in the middle of the height */
    bottom: 35%;
    z-index: 5;
    display: inline-block;
}

.carousel-control.left, .carousel-control.right {
    background-color: rgba(0,0,0,.3);
}

.carousel-control.left {
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
}

.carousel-control.right {
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}

@media screen and (min-width: 768px) {
    .carousel-control .glyphicon-chevron-left, .carousel-control .icon-prev, .carousel-control .glyphicon-chevron-right, .carousel-control .icon-next {
        margin-left: -15px;
    }

    .carousel-control .glyphicon-chevron-left, .carousel-control .glyphicon-chevron-right, .carousel-control .icon-next, .carousel-control .icon-prev {
        margin-top: -15px;
    }

    .carousel-control .glyphicon-chevron-right, .carousel-control .icon-next {
        margin-right: -15px;
    }
}