style(css): change out CSS classes according to stylesheet update

www/templates/fragments/directory/compact/entry.html

@@ -1,6 +1,6 @@
 
 
-<li class="folder-listing">
+<li class="folder_listing">
     {% set folder_key = random() %}
     
     <input type="checkbox" id="folder-open-{{folder_key}}" name="folder-open-{{folder_key}}">
@@ -17,7 +17,7 @@
         {{ post.basename }} - {{ post.title }}
     </a>
 
-    <ul class="folder-listing">
+    <ul class="folder_listing">
         <li>
             <span> 
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