[Feature] Add box shadow to the tooltip component

[leecalcote]

Current Behavior

The addition of a drop shadow to the tooltip component, would be great.

Implementation

box-shadow: rgba(50, 50, 93, 0.25) 0px 2px 5px -1px, rgba(0, 0, 0, 0.3) 0px 1px 3px -1px;

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[Sumitsh28]

Hey @leecalcote, I want to work on this issue