SOURCE

<div class="cell">
  <div class="num">
    5 4 3 2 1 0
  </div>
  <!-- <div class="num">五 四 三 二 一 零</div> -->
</div>

body {
  background: #333;
}

.cell {
  width: 1em;
  height: 1em;
  /* border:1px dashed rgba(255,255,255,0.1); */
  font-size: 120px;
  font-family: Frijole;
  overflow: hidden;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -0.5em 0 0 -0.5em;
  opacity: 0;
  animation: go 6s;
  transform-origin: left bottom;
}

.num {
  position: absolute;
  width: 1em;
  color: #E53F39;
  line-height: 1em;
  text-align: center;
  text-shadow: 1px 1px 2px rgba(255, 255, 255, .3);
  animation: run 6s steps(6);
}

@keyframes run {
  0% {
    top: 0;
  }
  100% {
    top: -6em;
  }
}

@keyframes go {
  0% {
    opacity: 1;
  }
  84% {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
  100% {
    opacity: 0;
    transform: rotate(360deg) scale(.01);
  }
}