Loading spinner tailwindcss.

loading.html

<div className="max-w-3xl mx-auto px-2 py-4">
  <button type="button" className="inline-flex items-center px-4 py-2 leading-6 text-sm text-gpt-100 transition ease-in-out duration-150" disabled="">
    <svg className="animate-spin -ml-1 mr-3 h-5 w-5 text-white" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
      <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
      <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
    </svg>
    Loading...
  </button>
</div>