Material Design: Buttons
paper-icon-button is a button with an image placed at the center. When the user touches
the button, a ripple effect emanates from the center of the button.
paper-icon-button includes a default icon set. Use icon to specify which icon
from the icon set to use.
<paper-icon-button icon="menu"></paper-icon-button>See iron-iconset for more information about
how to use a custom icon set.
Example:
<link href="path/to/iron-icons/iron-icons.html" rel="import">
<paper-icon-button icon="favorite"></paper-icon-button>
<paper-icon-button src="star.png"></paper-icon-button>