gistfile1.html

<!-- use default polymer icon set -->
<polymer-ui-icon-button icon="menu"></polymer-ui-icon-button>
<polymer-ui-icon-button icon="trash"></polymer-ui-icon-button>

<polymer-ui-menu-item icon="add" label="Add"></polymer-ui-menu-item>
<polymer-ui-menu-item icon="trash" label="Trash"></polymer-ui-menu-item>
<polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>

<!-- register user defined icon set (note: polymer-ui-iconset isa polymer-meta) -->
<polymer-ui-iconset id="my-icons" src="../assets/my-icons.png" width="1000" iconsize="40"
    icons="trash search clothes up down stage cup flag home bin">
</polymer-ui-iconset>

<!-- use prefix (e.g. my-icons:trash) to use my-icons icon set -->
<polymer-ui-icon-button icon="my-icons:trash"></polymer-ui-icon-button>
<polymer-ui-icon-button icon="trash"></polymer-ui-icon-button>
<polymer-ui-icon-button icon="my-icons:clothes"></polymer-ui-icon-button>

<polymer-ui-menu-item icon="menu" label="Menu"></polymer-ui-menu-item>
<polymer-ui-menu-item icon="my-icons:cup" label="Cup"></polymer-ui-menu-item>
<polymer-ui-menu-item icon="my-icons:home" label="Home"></polymer-ui-menu-item>