@media(max-width:991px) {

    html,
    body {
        overflow-x: hidden;
        overflow-y: auto;
    }

    #sub_content {
        margin-top: 0px;
    }
}
.swiper-button-next, .swiper-button-prev {
    position: absolute;
    top: 55%;
    width: 27px;
    height: 44px;
    margin-top: -22px;
    z-index: 10;
    cursor: pointer;
    background-size: 27px 44px;
    background-position: center;
    background-repeat: no-repeat;
}