Text Wells
Users may use text well within the Classic Editor to give div boxes an inset effect on Aurora. To do so, simply give the div a well class. The Block Editor does not have text wells pre-configured at this time.
Normal Well
<div class="well">Some text goes here.</div>Large Well
<div class="well well-lg">This is a large well.</div>Small Well
<div class="well well-sm">This is a small well.</div>, multiple selections available, Use left or right arrow keys to navigate selected items