docs/themes/mynewt/navigation.html

{% if next or prev %}
    <div class="rst-footer-buttons row" role="navigation" aria-label="footer navigation">
      {% if next %}
        <a href="{{ next.link|e }}" class="btn btn-neutral float-right" title="{{ next.title|striptags|e }}" accesskey="n">Next: {{ next.title|striptags|e }} <span class="fa fa-arrow-circle-right"></span></a>
      {% endif %}
      {% if prev %}
        <a href="{{ prev.link|e }}" class="btn btn-neutral" title="{{ prev.title|striptags|e }}" accesskey="p"><span class="fa fa-arrow-circle-left"></span> Previous: {{ prev.title|striptags|e }}</a>
      {% endif %}
    </div>
{% endif %}