gistfile1.html

    <!-- using polymer icon set -->
    <polymer-ui-toolbar>
      <polymer-ui-icon-button icon="menu"></polymer-ui-icon-button>
      <div flex>polymer icon set</div>
      <polymer-ui-icon-button icon="trash"></polymer-ui-icon-button>
    </polymer-ui-toolbar>
    <br><br>
    <polymer-ui-menu selected="0">
      <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>
    </polymer-ui-menu>
    <br><br>
    
    <!-- register user-defined icon set -->
    <polymer-ui-iconset id="my-icons" src="my-icons.png" width="96" iconsize="24"
        icons="location place starta stopb bus car train walk">
    </polymer-ui-iconset>
    
    <!-- use prefix (e.g. my-icons:location) to use user-defined icon set -->
    <polymer-ui-toolbar>
      <polymer-ui-icon-button icon="my-icons:location"></polymer-ui-icon-button>
      <div flex>user-defined icon set</div>
      <polymer-ui-icon-button icon="my-icons:bus"></polymer-ui-icon-button>
      <polymer-ui-icon-button icon="my-icons:place"></polymer-ui-icon-button>
      <polymer-ui-icon-button icon="trash"></polymer-ui-icon-button>
    </polymer-ui-toolbar>
    <br><br>
    <polymer-ui-menu selected="0">
      <polymer-ui-menu-item icon="my-icons:starta" label="Start"></polymer-ui-menu-item>
      <polymer-ui-menu-item icon="my-icons:stopb" label="Stop"></polymer-ui-menu-item>
      <polymer-ui-menu-item icon="settings" label="Settings"></polymer-ui-menu-item>
    </polymer-ui-menu>