.wavy {
  animation-name: wavy;
  animation-duration: 1.2s;
  animation-timing-function: cubic-bezier(0.3, 0, 0.7, 1);
  animation-iteration-count: infinite;
  position: relative;
  top: 0;
  left: 0;
}
@keyframes wavy {
  0% {
    top: 0px;
  }
  50% {
    top: -10px;
  }
  100% {
    top: 0px;
  }
}