<div class="sequencing is-animate" lang="en">
  <span>CSS</span>
  <span>Sequnce</span>
  <span>Animation</span>
</div>

body {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  min-height: 100vh;
  background: #6238CA;
  color: #fff;
}

.sequencing {
  display: flex;
  flex-flow: column;
  font-size: 100px;
  font-weight: 100;
}

.sequencing.is-animate span {
  opacity: 0;
  transform: translateY(4rem);
  animation: 
    transform-none 
    0.6s 
    cubic-bezier(0.2, 0.66, 0.54, 1.4) 
    infinite 
    alternate
    forwards;
}

.sequencing span:nth-child(1) { animation-delay: 0.2s }
.sequencing span:nth-child(2) { animation-delay: 0.4s }
.sequencing span:nth-child(3) { animation-delay: 0.6s }

@keyframes transform-none {
  to {
    transform: none;
    opacity: 1;
  }
}