exmg-paper-tooltip 
WARNING: This element is not compatible with Polymer 1.0
<exmg-paper-tooltip> Is a simplified version of the paper-tooltip. The
animations have been stripped and replaced by a simply css animation + we
have rewritten it to Polymer 2.0 syntax.
Please visit the API Documentation and demo page for more information.
Development
First, make sure you have the Polymer CLI installed. Then run polymer server to launch the demo page.
$ polymer serve