<span class="pulse"><i class="fal fa-bell"></i></span>

<span class="pulse-primary"><i class="fal fa-bell"></i></span>

<span class="pulse-secondary"><i class="fal fa-bell"></i></span>

<span class="pulse-info"><i class="fal fa-bell"></i></span>

<span class="pulse-success"><i class="fal fa-bell"></i></span>

<span class="pulse-warning"><i class="fal fa-bell"></i></span>

<span class="pulse-danger"><i class="fal fa-bell"></i></span>

<span class="pulse-dark"><i class="fal fa-bell"></i></span>

<span class="pulse-private"><i class="fal fa-bell"></i></span>

<span class="pulse-purple"><i class="fal fa-bell"></i></span>

<span class="pulse-white"><i class="fal fa-bell"></i></span>