To add a tooltip we will need a container to wrap the element/s which will trigger the tooltip. The content of the tolltip should be inside a 'tooltip' attribute.
Adding an 'active' class, will show the tooltip.
If you want to include HTML markup, you will need an extra container.
This is an HTML tooltip
By default tooltips are centered to the target element. Use the classnames in the tooltips to get the desired position.