animated icons in css code example
Example: html icon animation
<div class="fa-3x">
<i class="fas fa-spinner fa-spin"></i>
<i class="fas fa-circle-notch fa-spin"></i>
<i class="fas fa-sync fa-spin"></i>
<i class="fas fa-cog fa-spin"></i>
<i class="fas fa-spinner fa-pulse"></i>
<i class="fas fa-stroopwafel fa-spin"></i>
</div>