Open supporting materials by default on posts

Author: mmore500

_includes/efflux_content.html

@@ -129,7 +129,7 @@
 {% endif %}
 
 {% if include.page.supporting_materials %}
-<details class="lollipop">
+<details class="lollipop" {% if include.is_post %}open{% endif %}>
 <summary class="lollipop">Supporting Materials</summary>
 <div class="lollipop-detail">
 {{ include.page.supporting_materials | markdownify }}

_layouts/efflux.html

@@ -8,6 +8,6 @@ <h1 class="post-title" itemprop="name headline">{{ page.title }}</h1>
     <span class="post-meta"><time datetime="{{ page.date | date_to_xmlschema }}" itemprop="datePublished"></time></span>
   </header>
 
-  {% include efflux_content.html page=page %}
+  {% include efflux_content.html page=page is_post=true %}
 
 </article>