Create a glyphicon using polymer elements. Icon value is the icon name using in bootstrap but removing glyphicon and glyphicon- style. For example:

• glyphicon-pencil is pencil
• glyphicon-star is star
• ...

<bs-glyphicon icon="pencil"></bs-glyphicon>

Element dependencies are managed via Bower. You can install that via:

npm install -g bower

Then, go ahead and download the element's dependencies:

bower install