border: 1px solid darkgrey;
      @apply --dropdown-dialog;
    }
    </style>

    <button id="button" on-tap="open">[[label]]</button>

    <dialog id="dialog" on-cancel="close" on-tap="onDialogTap_">
      <slot></slot>
    </dialog>
  </template>
</dom-module><dom-module id="tr-ui-b-info-bar-group">
  <template>
    <style>
    :host {
      flex: 0 0 auto;