w3 schools check mark animation code example

Example 1: animate.css

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css" />

Example 2: 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>