natronics.org/src/_includes/marginnote.liquid

{% assign mn_slug = marginnote | strip | strip_html | slice: 0, 50 | downcase | replace: '.', '' |replace: ' ', '-' %}{% capture mnid %}sn-{{ mn_slug}}{% endcapture %}<label for="{{ mnid }}" class="margin-toggle">&#8853;</label>
<input type="checkbox" id="{{ mnid }}" class="margin-toggle"/>
<span class="marginnote">
    {{ marginnote }}
</span>