I suppose this is the relevant html
<h2 id="footnotes">
<a class="anchor" href="#footnotes" aria-hidden="true"><span class="octicon octicon-link"></span></a>Footnotes</h2>
<h2 id="emoji">
<a class="anchor" href="#emoji" aria-hidden="true"><span class="octicon octicon-link"></span></a>Emoji</h2>
<p>This is Emoji <img class="emoji" title=":smiley:" alt=":smiley:" src="https://github.githubassets.com/images/icons/emoji/unicode/1f603.png" height="20" width="20"></p>
<div class="footnotes">
<ol>
<li id="fn:1">
<p>This is the footnote. <a href="#fnref:1" class="reversefootnote">↩</a></p>
</li>
</ol>
</div>