<div class="scroll">
  <span class="text">Scroll</span>
</div>

.scroll {
  padding-top: 70px;
  position: relative;
  text-align:center;
}

.scroll::before {
  animation: scroll 3.5s infinite;
  display: inline-block;
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border-bottom: solid 1px #000;
  border-left: solid 1px #000;
  transform: rotate(-45deg);
  top: 0;
  right: 0;
  left: 0;
  margin: auto;
}

@keyframes scroll {
  0% {
    transform: rotate(-45deg) translate(0, 0);
    opacity: 0;
  }
  
  40% {
    opacity: 1;
  }
  
  80% {
    transform: rotate(-45deg) translate(-30px, 30px);
    opacity: 0;
  }
  
  100% {
    opacity: 0;
  }
  
}