oliverdavies.uk/source/_includes/talk/slides.html.twig

{% if page.speakerdeck.id and page.speakerdeck.ratio %}
    <div class="talk-slides mt-4">
        <h2>Slides</h2>

        <noscript>**Please enable JavaScript to view slides.**</noscript>
        <script async class="speakerdeck-embed" data-id="{{ page.speakerdeck.id }}" data-ratio="{{ page.speakerdeck.ratio }}" src="//speakerdeck.com/assets/embed.js"></script>
    </div>
{% endif %}