<span class=“mdc-touch-target-wrapper”>

<a class="mdc-top-app-bar__action-item mdc-icon-button" aria-label="Share on Twitter" href="http://twitter.com/share?text={{ page.title }}&url={{ page.url | absolute_url }}" rel="noopner" target="_blank">
  <span class="mdc-button__ripple"></span>
  <span class="mdc-button__label"><i class="fab fa-twitter"></i></span>
  <span class="mdc-button__touch"></span>
</a>

</span> <span class=“mdc-touch-target-wrapper”>

<a class="mdc-top-app-bar__action-item mdc-icon-button" aria-label="Share on Facebook" href="https://www.facebook.com/sharer.php?u={{page.url | absolute_url }}" rel="noopner" target="_blank">
  <span class="mdc-button__ripple"></span>
  <span class="mdc-button__label"><i class="fab fa-facebook"></i></span>
  <span class="mdc-button__touch"></span>
</a>

</span>