default icon font awesome code example
Example 1: fa icons
<script src='https://kit.fontawesome.com/a076d05399.js'></script>
Example 2: release icon font awesome
<i class="fa fa-rocket" aria-hidden="true"></i>
<script src='https://kit.fontawesome.com/a076d05399.js'></script>
<i class="fa fa-rocket" aria-hidden="true"></i>