core-dropdown class="dropdown constrained-height">
          <core-menu>
            <template repeat="{{pastries}}">
              <core-item>{{}}</core-item>
            </template>
          </core-menu>
        </core-dropdown>
      </core-menu-button>

      <core-menu-button label="Colored">
        <core-icon-button icon="menu" class="colored"></core-icon-button>
        <core-dropdown class="dropdown colored">
          <core-menu>
            <template repeat="{{pastries}}">
              <core-it