help wanted with <sub-head> custom elmenent

Hi all,

Brian Kardell suggested i post this request here:

I have started work on a custom element implementation of a subheading
element using polymer

https://github.com/ThePacielloGroup/sub-head/tree/gh-pages

demo:http://thepaciellogroup.github.io/sub-head/

wanting help/guidance on aspects of the implementation

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Regards

SteveF
HTML 5.1 <http://www.w3.org/html/wg/drafts/html/master/>