CSS vars for customizing zoo-tooltip

[mpad0x55]

Is your feature request related to a problem? Please describe.
Current styling for zoo-tooltip is not always versatile enough and it would be good to have some control over it by CSS vars.

Describe the solution you'd like
Expose CSS variables for positioning tooltip top/bottom and the tick (for completeness)

[GeorgeTailor]

what about position attribute? https://zooplus.github.io/zoo-web-components-docs/#tooltip

[mpad0x55]

It has position attribute set:

In general the bottom: 170% works fine, but we have cases like on the screenshot or when something is wrapped into 2 lines (column header) then the distance between tooltip and text seems to be too big.