.jackInTheBox {
    -webkit-animation-name: jackInTheBox;
  animation-name: jackInTheBox;
}
@include keyframes(jackInTheBox) {
  from {
    opacity: 0;
    transform: scale(0.1) rotate(30deg);
    transform-origin: center bottom;
  }

  50% {
    transform: rotate(-10deg);
  }

  70% {
    transform: rotate(3deg);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}