@keyframes underline {
  0% {
    width: 0;
  }
  100% {
    width: 100%;
  }
}
@keyframes opacity {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes stretch {
  0% {
    height: 0;
  }
  100% {
    height: 80px;
  }
}
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate(-50%, -100%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}
@keyframes bounce {
  0% {
    transform: translateZ(0);
  }
  to {
    transform: translate3d(0, -15px, 0);
  }
}
@keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeout {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}
@keyframes spin {
  100% {
    transform: rotate(-360deg);
  }
}