JSFiddle - React, Tailwind, and code Playground

HTML

<div class="spinning">
 some content
</div>

CSS

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(359deg);
  }
}

.spinning::before {
  content: 'x';
  animation: spin 2s infinite linear;
}