Animated rolling word title

/*Downloaded from https://www.codeseek.co/chrishutchinson/animated-rolling-word-title-hzlsL */
*, *:before, *:after {
  box-sizing: border-box;
}

body {
  background: #FFF;
  color: #FFF;
  font-family: 'Raleway', sans-serif;
  font-weight: 800;
  font-size: 14px;
  margin: 0;
  padding: 0px;
}

div.background {
  position: absolute;
  background: url(http://lorempixel.com/1200/1000/city);
  background-size: cover;
  width: 100%;
  height: 100%;
}

.text {
  position: relative;
  display: block;
  width: 100%;
  font-size: 3em;
  background: #333;
  padding: 80px 20px;
  overflow: hidden;
  box-shadow: 0 0 0 10px #DDD;
}

.word {
  counter-increment: word;
  width: 250px;
  padding: 80px 0;
  top: 100px;
  position: absolute;
  -webkit-animation: slide-up-fade 3s linear forwards;
          animation: slide-up-fade 3s linear forwards;
  opacity: 0;
}
.word.final {
  -webkit-animation: slide-up-persist 3s linear forwards;
          animation: slide-up-persist 3s linear forwards;
}
.word.one {
  -webkit-animation-delay: 0s;
          animation-delay: 0s;
}
.word.two {
  -webkit-animation-delay: 3s;
          animation-delay: 3s;
}
.word.three {
  -webkit-animation-delay: 6s;
          animation-delay: 6s;
}
.word.four {
  -webkit-animation-delay: 9s;
          animation-delay: 9s;
}
.word.five {
  -webkit-animation-delay: 12s;
          animation-delay: 12s;
}
.word.six {
  -webkit-animation-delay: 15s;
          animation-delay: 15s;
}

@-webkit-keyframes slide-up-fade {
  25% {
    top: 0px;
  }
  55% {
    top: 0px;
    opacity: 1;
  }
  85% {
    top: 0px;
    opacity: 1;
  }
  99% {
    opacity: 0;
    top: 0px;
  }
  100% {
    opacity: 0;
    top: 100px;
  }
}

@keyframes slide-up-fade {
  25% {
    top: 0px;
  }
  55% {
    top: 0px;
    opacity: 1;
  }
  85% {
    top: 0px;
    opacity: 1;
  }
  99% {
    opacity: 0;
    top: 0px;
  }
  100% {
    opacity: 0;
    top: 100px;
  }
}
@-webkit-keyframes slide-up-persist {
  25% {
    top: 0px;
  }
  55% {
    top: 0px;
    opacity: 1;
  }
  85% {
    top: 0px;
    opacity: 1;
  }
  99% {
    opacity: 1;
    top: 0px;
  }
  100% {
    opacity: 1;
    top: 0px;
  }
}
@keyframes slide-up-persist {
  25% {
    top: 0px;
  }
  55% {
    top: 0px;
    opacity: 1;
  }
  85% {
    top: 0px;
    opacity: 1;
  }
  99% {
    opacity: 1;
    top: 0px;
  }
  100% {
    opacity: 1;
    top: 0px;
  }
}