.main {
    height: 300px;
  }
  .as-slider {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
  }
  .as-slider:after {
    content: "";
    background: rgba(0, 0, 0, 0.4);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    height: 100%;
    z-index: 100;
  }
  .as-slider .item img {
    width: 100%;
    height: auto;
  }
  .slider-desc {
    position: absolute;
    display: flex;
    top: 0;
    align-items: center;
    justify-content: center;
    height: 300px;
    font-size: 32px;
    width: 100%;
    text-align: center;
    z-index: 1;
    color: #fff;
    font-weight: 100;
    text-transform: uppercase;
  }
  .slider-desc p {
    margin-top: 100px;
  }
  .slider-desc span {
    font-size: 52px;
  }
  @media screen and (max-width: 789px) {
    .slider-desc {
      position: absolute;
      display: flex;
      top: 0;
      align-items: center;
      justify-content: center;
      height: 200px;
      font-size: 22px;
    }
    .slider-desc p {
      margin-top: 50px;
    }
    .as-slider {
      height: 200px;
    }
    .slider-desc span {
      font-size: 32px;
    }
  }