#app{height:100%}.swiper{width:100%;height:100%}.swiper-slide{text-align:center;background:#444;justify-content:center;align-items:center;font-size:18px;display:flex}.swiper-slide img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%;display:block}.swiper{width:100%;margin-left:auto;margin-right:auto}.swiper-slide{background-position:50%;background-size:cover}