.carousel-indicators {
    position: absolute;
    right: 0;
    bottom: 10px;
    left: 0;
    z-index: 15;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: center;
    justify-content: center;
    padding-left: 0;
    margin-right: 15%;
    margin-left: 15%;
    list-style: none
}

    .carousel-indicators li {
        position: relative;
        -ms-flex: 0 1 auto;
        flex: 0 1 auto;
        width: 30px;
        height: 3px;
        margin-right: 3px;
        margin-left: 3px;
        text-indent: -999px;
        cursor: pointer;
        background-color: rgba(255,255,255,.5)
    }

        .carousel-indicators li::before {
            position: absolute;
            top: -10px;
            left: 0;
            display: inline-block;
            width: 100%;
            height: 10px;
            content: ""
        }

        .carousel-indicators li::after {
            position: absolute;
            bottom: -10px;
            left: 0;
            display: inline-block;
            width: 100%;
            height: 10px;
            content: ""
        }

    .carousel-indicators .active {
        background-color: #fff
    }