.slick-arrow:before{
    width: 6px;
    height: 10px;
}
.slick-prev, .slick-next{
    width: 6px;
    height: 10px;
}
.slick-prev{
    left:calc(50% - 30px);
    top: 170px;
}
.slick-next{
    right:calc(50% - 30px);
    top: 170px;
}
@media screen and(max-width: 480px) {
    .slick-arrow:before{
        width: 6px;
        height: 10px;
    }
    .slick-prev, .slick-next{
        width: 6px;
        height: 10px;
    }
    .slick-prev{
        left:calc(50% - 30px);
        top: 170px;
    }
    .slick-next{
        right:calc(50% - 30px);
        top: 170px;
    }
}