.slick-prev {
    left: 40px !important;
    top: 25% !important;
}

.slick-next {
    right: 40px !important;
    top: 25% !important;
}

.slick-prev:before {
    font-size: 40px !important;
}

.slick-next:before {
    font-size: 40px !important;
}