[Feature] Darken default Tooltip coloring and add drop shadow

[leecalcote]

Current Behavior

The lack of contrast in many UIs makes tooltips difficult to see.

Desired Behavior

1. darker background color in tooltips
2. box shadow on tooltips

Implementation

Acceptance Tests

Mockups

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Contributor Guide

• 🎨 Wireframes and designs for Sistent site in Figma (open invite)

[mdkaifansari04]

@leecalcote I'd like to take a crack at this issue

[mdkaifansari04]

@leecalcote I'm currently working on this issue; apologies for the delay as I was occupied with some college commitments.
Thank you for your patience!

[sudhanshutech]

@mdkaifansari04 done?

[mdkaifansari04]

Working on it, got stucked somewhere