Shadows

<div className="shadow-none p-3 bg-gray rounded mb-6">No shadow</div>
<div className="shadow-sm p-3 bg-white rounded mb-6">Small shadow</div>
<div className="shadow p-3 bg-white rounded mb-6">Regular shadow</div>
<div className="shadow-lg p-3 bg-white rounded">Larger shadow</div>
<div className="shadow-xl p-3 bg-white rounded">Extra larger shadow</div>