feat(Tooltip): add box shadow to Tooltip component

Signed-off-by: Sumitsh28 <sumit.off28@gmail.com>

Author: Sumitsh28

src/custom/CustomTooltip/customTooltip.tsx

@@ -34,7 +34,9 @@ function CustomTooltip({
             fontSize: fontSize || (variant === 'standard' ? '1rem' : '0.75rem'),
             fontWeight: { fontWeight },
             borderRadius: '0.5rem',
-            padding: variant === 'standard' ? '0.9rem' : '0.5rem 0.75rem'
+            padding: variant === 'standard' ? '0.9rem' : '0.5rem 0.75rem',
+            boxShadow:
+              'rgba(50, 50, 93, 0.25) 0px 2px 5px -1px, rgba(0, 0, 0, 0.3) 0px 1px 3px -1px'
           }
         },
         popper: {