 if="[[loading]]">
      <paper-spinner active="[[loading]]"></paper-spinner>
    </template>
  </template>
  <script>
    Polymer({
      is: 'refresh-button',
      properties: {
        info: {
          type: Object,
          notify: true
        },
        loading: {
          type: Boolean,
          notify: true,
          value: false
        },
        lastLoadedTime: {
          type: Number,
          value: () => { return Date.now(); }
        },
        timeAgo: {
          type: String,
     