.hithere {
  animation: hithere 1s ease infinite;
}

@keyframes hithere {
  30% {
    transform: scale(1.2);
  }
  40%, 60% {
    transform: rotate(-20deg) scale(1.2);
  }
  50% {
    transform: rotate(20deg) scale(1.2);
  }
  70% {
    transform: rotate(0deg) scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}