generator-base-polymer/generators/app/templates/src/scripts/modules/main.html

Polymer basic skeleton for webapp development. With RequireJS, Bootstrap, Sass and templating with Jade. Routing by Page.js.

<link rel="import" href="modules/header.html">
<link rel="import" href="modules/content.html">
<link rel="import" href="modules/footer.html">
<element-header></element-header>
<element-content></element-content>
<element-footer></element-footer>