Add or remove shadows to elements with box-shadow utilities.

Add shadows with .shadow, or remove them with .shadow-none. Define the size of a shadow using .shadow-sm and .shadow-lg

No shadow
Small shadow
Regular shadow
Larger shadow

<div class="shadow-none p-3 mb-5 bg-light rounded">No shadow</div>
<div class="shadow-sm p-3 mb-5 bg-white rounded">Small shadow</div>
<div class="shadow p-3 mb-5 bg-white rounded">Regular shadow</div>
<div class="shadow-lg p-3 mb-5 bg-white rounded">Larger shadow</div>