jerking rotate images / text

<style>

#jerk {
  animation: jerk 1.5s step-end infinite;
  display: flex;
  justify-content: center;
  }

@keyframes jerk {

0% {
 transform: rotate(-2deg);
 }
 50% {
 transform: rotate(0deg);
 }
}

</style>

<div id="jerk"> yeah hi </div>