templates/partials/previous_next.mustache

<nav class="previous-next">
  {{# page.previous }}
  <a href="{{ url }}" class="previous">
    <div class="icon"><i class="material-icons">arrow_back</i></div>
    <div class="text-wrapper">
      <small>Previous</small>
      <div class="text">
        <span>{{ title }}</span>
      </div>
    </div>
  </a>
  {{/ page.previous }}
  {{# page.next }}
  <a href="{{ url }}" class="next">
    <div class="text-wrapper">
      <small>Next</small>
      <div class="text">
        <span>{{ title }}</span>
      </div>
    </div>
    <div class="icon"><i class="material-icons">arrow_forward</i></div>
  </a>
  {{/ page.next }}
</nav>