.main_slider {
    display: none;
}

.main_slider-slide {
    padding-top: 2%;
    padding-bottom: 80%;
    background-position: center;
    background-size: cover;
}

.main_slider .slick-arrow {
    position: absolute;
    top: 50%;
    color: #8f7a9c;
    background: #fff;
    margin-top: -25px;
    border-radius: 50%;
    text-align: center;
    opacity: .6;
    cursor: pointer;
    z-index: 1;
    font-size: 15px;
    width: 30px;
    height: 30px;
    line-height: 29px;
}

.main_slider .slick-arrow:hover {
    opacity: 1;
}

.main_slider-next {
    right: 10px;
}

.main_slider-prev {
    left: 10px;
}

@media (min-width: 768px) {
    .main_slider {
        display: block;
    }

    .main_slider-slide {
        padding-bottom: 24%;
    }

    .main_slider .slick-arrow {
        font-size: 30px;
        width: 50px;
        height: 50px;
        line-height: 50px;
    }

    .main_slider-next {
        right: 50px;
    }

    .main_slider-prev {
        left: 50px;
    }
}