🤪

<span class="wave" role="img" aria-label="my-icon-example">🤪</span>

CSS now

.wave {
  animation: wave-animation 2.5s infinite;
  transform-origin: 70% 70%;
  display: inline-block;
}

@keyframes wave-animation {
  0% {
    transform: rotate(0deg);
  }
  10% {
    transform: rotate(14deg);
  }
  20% {
    transform: rotate(-8deg);
  }
  30% {
    transform: rotate(14deg);
  }
  40% {
    transform: rotate(-8deg);
  }
  50% {
    transform: rotate(10deg);
  }
  60% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(0deg);
  }
}