html,
body {
    position: relative;
    height: 100%;
}

body {
    background: #eee;
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #000;
    margin: 0;
    padding: 0;
}

.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-button-next {
    width: 460px;
    height: 580px;
    z-index: 4;
    right: 70px;
    top: 22%;
    background: url(../images/air-02.png) no-repeat center center;
}

.swiper-button-prev {
    width: 460px;
    height: 580px;
    z-index: 4;
    left: 70px;
    top: 22%;
    background: url(../images/air-02.png) no-repeat center center;
    transform: rotate(180deg);
}