  opacity: 0;
  animation: .2s;
  animation-timing-function: cubic-bezier(.4,0,.2,1);
  animation-fill-mode: forwards;
}
.stepper.sliding .input > label:after {
  content: "";
  height: 2px;
  position: absolute;
  bottom: 0;
  left: 45%;
  background: #003f93;
  -webkit-transition: .2s;
  transition: .2s;
  -webkit-transition-timing-function: cubic-bezier(.4,0,.2,1);
  transition-timing-function: cubic-bezier(.4,0,.2,1);
  visibility: hidden;
  width: 10px;
}
@keyframes move-input-label {
  to {
    opacit