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 {
        font-size: 18px;
        background-size: 100% 100%;
        width: 100% !important;
        height: 100vh;
        overflow:auto;
        /* Center slide text vertically */
      }