@media (min-width:1024px) {
  .demo {
    width: 100%;
    height: 50%;
    display: block;
  }

  .Imagenes_Prod_cel {
    display: none;
  }

  ul {
    list-style: none outside none;
    padding-left: 0;
    margin-bottom: 0;
  }

  li {
    display: block;
    float: left;
    margin-right: 6px;
    cursor: pointer;
  }

  img {
    height: auto;
    max-width: 100%;
  }
}

@media(max-width:1024px) {
  .demo {
    width: 100px;
    height: 50%;
    margin-left: 150px;
    display: none;
  }

  ul {
    list-style: none outside none;
    padding-left: 0;
    margin-bottom: 0;
  }

  li {
    display: block;
    float: left;
    margin-right: 6px;
    cursor: pointer;
  }

  img {
    height: auto;
    max-width: 100%;
  }

  .Imagenes_Prod_cel {
    display: block;
    overflow: hidden;
  position: relative;
  }

  .sliderProdCel {
    display: flex;
    width: 500%;
    height: 100%;
    margin-left: -100%;
  }

  .sliderProdCel__section {}

  .slider__imgCel {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .slider__btnCel {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(63, 59, 59, 0.5);
    top: 50%;
    transform: translateY(-50%);
    font-size: 15px;
    font-weight: bold;
    font-family: monospace;
    text-align: center;
    border-radius: 50%;
    cursor: pointer;
  }
  .slider__btnCel--left {
  left: 10px;
  }

  .slider__btnCel--right {
    right: 10px;
  }
}