.scroll {
  position: absolute;
  right: 3%;
  top: 60%;
  writing-mode: vertical-rl;
}


@media screen and (max-width: 768px) {
.scroll{
  display:none;
}}

.scroll span{
	color:#777;
	font-size:.6em;
}


.scroll::before {
  animation: scroll 2s infinite;
  background-color: #333;
  bottom: -115px;
  content: "";
  height: 100px;
  left: 0;
  margin: auto;
  position: absolute;
  right: 0;
  width: 1px;
  z-index: 2;
}

.scroll::after {
  background-color: #fff;
  bottom: -115px;
  content: "";
  height: 100px;
  left: 0;
  margin: auto;
  position: absolute;
  right: 0;
  width: 1px;
}



@keyframes scroll {
  0% {
    transform: scale(1, 0);
    transform-origin: 0 0;
  }
  50% {
    transform: scale(1, 1);
    transform-origin: 0 0;
  }
  51% {
    transform: scale(1, 1);
    transform-origin: 0 100%;
  }
  100% {
    transform: scale(1, 0);
    transform-origin: 0 100%;
  }
}