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a::after{
  content: "⌄";
  position: absolute;
  color: rgb(254, 254, 254);
  bottom: -1.429rem;
  left: 50%;
  font-size: 3rem;
  transform: translate(-50%, 0px);
  transition: all 250ms ease 0s;
  bottom: -3rem;
}
a:hover::after{
  transform: translate(-50%,20%);
}