Template:Textshake.css

.shaketext span {
  display: inline-block;
  animation: shakes 0.2s infinite;
}
@keyframes shakes {
  0% {
    transform: translate(1px, 1px);
  }
  25% {
    transform: translate(0px, -2px);
  }
  50% {
    transform: translate(-2px, 2px);
  }
  75% {
    transform: translate(0px, -2px);
  }
  100% {
    transform: translate(1px, 1px);
  }
}