.sertif {
    position: relative;
    .owl-nav {
        position: absolute;
        top: 50%;
        left: 0;
        width: 100%;
        margin: 0 !important;
        display: flex;
        justify-content: space-between;
    }
    .owl-nav>*{
        margin: 0 !important;
        width: 32px;
        height: 32px;
        background: url(/js/bxslider/images/controls.png) no-repeat -43px -32px !important;
        border-radius: 50%;
    }
    .owl-prev{
        scale: -1 1;
    }
}