.swiper-container {
    width: 100%;
  }
  .swiper-slide {
    background-position: center;
    background-size: cover;
    width: 350px;
    height: 470px;
    border-radius: 10px;
  }
  .shadow{
    position: absolute;
    width: 100%;
    background: rgba(0,0,0,0.4);
    height: 100%;
    text-align: center;
    line-height: 470px;
    color: #ffffff;
    font-size: 30px;
    display: none;
    border-radius: 10px;
  }