.tracking-in-expand {
  -webkit-animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.61, 0.355, 1)
    both;
  animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.61, 0.355, 1) both;
}
/**
   * ----------------------------------------
   * animation tracking-in-expand
   * ----------------------------------------
   */
@-webkit-keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}
@keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}