animate list of icons for loading code example
Example 1: font awesome 4 animated loading spinner
<i class="fa fa-spinner fa-spin fa-3x fa-fw"></i>
<span class="sr-only">Loading...</span>
<i class="fa fa-circle-o-notch fa-spin fa-3x fa-fw"></i>
<span class="sr-only">Loading...</span>
<i class="fa fa-refresh fa-spin fa-3x fa-fw"></i>
<span class="sr-only">Loading...</span>
<i class="fa fa-cog fa-spin fa-3x fa-fw"></i>
<span class="sr-only">Loading...</span>
<i class="fa fa-spinner fa-pulse fa-3x fa-fw"></i>
<span class="sr-only">Loading...</span>
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>