  </template>
          </core-menu>
        </core-dropdown>
      </core-menu-button>

      <core-menu-button disabled>
        <core-icon-button icon="menu"></core-icon-button>
        <core-dropdown class="dropdown">
          <core-menu>
            <core-item>Should not see this</core-item>
          </core-menu>
        </core-dropdown>
      </core-menu-button>

      <core-menu-button>
      <core-icon-button icon="add"><span style="vertical-align:middle;">add</span></core-icon-button>
        <co