novo-elements/demo/pages/elements/dropdown/templates/CustomClassDemo.html

Bullhorn's NOVO Element Repository for Angular 2

<novo-dropdown containerClass="custom-class">
    <button type="button" theme="secondary" icon="collapse" inverse>I Have A Custom Class!</button>
    <list>
        <item (action)="clickMe('Hello!')">Action 1</item>
        <item (action)="clickMe('Another!')">Action 2</item>
    </list>
</novo-dropdown>