section {
    height: 100vh !important;
    width: 100%;
}

#dot-nav {
    position: fixed;
    left: 50px;
    top: 50%;
    margin-top: -100px;
    height: 100px;
    z-index: 999;
  }
  
#dot-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

#dot-nav li a {
    position: relative;
    background-color: #fff;
    border-radius: 16px 16px 16px 16px;
    cursor: pointer;
    padding: 5px;
    height: 16px;
    margin: 16px 16px 0px 0px;
    width: 16px;
    vertical-align: bottom;
    opacity: 0.5;
}
  
#dot-nav li.active a,
#dot-nav li:hover a {
    opacity: 1;
}

.chapter {
    height: 100vh !important;
    width: 100%;
    overflow: hidden;
    color: #fff;
    position: relative;
    padding-top: 100px;
    background-size: cover;
  }
  
  .chapter p {
    text-align: left !important;
  }

  .chapter img {
    position: absolute;
    width: 40%;
  }

  #main-mobile {
    background-size: cover;
    background-position: center top;
  }

  #capituloUno {
    background-image: url("../img/01_bg.webp");
  }
  
  #capituloDos, #main-mobile {
    background-image: url("../img/02_bg.webp");
  }
  
  #capituloTres {
    background-image: url("../img/03_bg.webp");
  }
  
  #capituloCuatro {
    background-image: url("../img/04_bg.webp");
  }
  
  #capituloCinco {
    background-image: url("../img/05_bg.webp");
  }
  
  #capituloSeis {
    background-image: url("../img/06_bg.webp");
  }
  
  .chapter img {
    position: absolute;
    bottom: 0;
    width: 40%;
  }

  .chapter img#titulo {
    width: 398px;
  }

  #capituloCuatro.chapter img.light {
    top: 0;
    left: 0;
    bottom: auto;
    width: auto;
    z-index: 1;
  }

  #capituloCinco.chapter img.light {
    top: 0;
    right: 0;
    bottom: auto;
    width: auto;
    z-index: 1;
  }
  
  img.cloud {
    left: 0;
    width: 100%;
  }
  
  .p {
    font-size: 1.2em;
    margin-bottom: 1em;
  }

  #home-scroll-down {
    vertical-align: middle;
  }
  .scroll-down {
    position: fixed;
    left: 50%;
    margin-left: -20px;
    width: 40px;
    height: 40px;
    bottom: 35px;
    padding-left: 7px;
    cursor: pointer;
    z-index: 2;
    color: #ffffff;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  .scroll-down.svg svg {
    width: 25px;
    opacity: 1;
    -webkit-transition: opacity .5s;
    -moz-transition: opacity .5s;
    -ms-transition: opacity .5s;
    -o-transition: opacity .5s;
    transition: opacity .5s;
  }
  .scroll-down.svg .stroke {
    stroke: #ffffff;
  }
  .scroll-down.svg .scroller {
    fill: #ffffff;
    -webkit-animation: updown 1s infinite;
    -moz-animation: updown 1s infinite;
    -o-animation: updown 1s infinite;
    animation: updown 1s infinite;
  }
  
  @-webkit-keyframes updown {
      0% {
          -webkit-transform: translate(0, 0);
          transform: translate(0, 0)
      }
      50% {
          -webkit-transform: translate(0, 5px);
          transform: translate(0, 5px)
      }
      100% {
          -webkit-transform: translate(0, 0);
          transform: translate(0, 0)
      }
  }
  @-moz-keyframes updown {
      0% {
          -moz-transform: translate(0, 0);
          transform: translate(0, 0)
      }
      50% {
          -moz-transform: translate(0, 5px);
          transform: translate(0, 5px)
      }
      100% {
          -moz-transform: translate(0, 0);
          transform: translate(0, 0)
      }
  }
  @-o-keyframes updown {
      0% {
          -o-transform: translate(0, 0);
          transform: translate(0, 0)
      }
      50% {
          -o-transform: translate(0, 5px);
          transform: translate(0, 5px)
      }
      100% {
          -o-transform: translate(0, 0);
          transform: translate(0, 0)
      }
  }
  @keyframes updown {
      0% {
          -webkit-transform: translate(0, 0);
          transform: translate(0, 0)
      }
      50% {
          -webkit-transform: translate(0, 5px);
          transform: translate(0, 5px)
      }
      100% {
          -webkit-transform: translate(0, 0);
          transform: translate(0, 0)
      }
  }