vorite"></paper-icon-button>
        <paper-icon-button class="hover" icon="favorite"></paper-icon-button>
        <paper-icon-button class="red" icon="favorite"></paper-icon-button>
        <paper-icon-button class="red blueRipple" icon="favorite"></paper-icon-button>

      </section>

<!--       <section>
        <span>focused</span>
        <paper-icon-button focused icon="social:cake"></paper-icon-button>
        <paper-icon-button focused icon="social:plus-one"></paper-icon-button>
      </section>
 -