@-webkit-keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    -webkit-transform: translateY(0);
  }

  40% {
    -webkit-transform: translateY(-30px);
  }

  60% {
    -webkit-transform: translateY(-15px);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
  }

  40% {
    -webkit-transform: translateY(-30px);
    -ms-transform: translateY(-30px);
    transform: translateY(-30px);
  }

  60% {
    -webkit-transform: translateY(-15px);
    -ms-transform: translateY(-15px);
    transform: translateY(-15px);
  }
}

.animated.bounce {
  -webkit-animation-name: bounce;
  animation-name: bounce;
}