fixes article_{title,text,meta} usage from id to class; closes #4
diff --git a/templates/categories.html b/templates/categories.html
index 60bdf02..7351088 100644
--- a/templates/categories.html
+++ b/templates/categories.html
@@ -3,7 +3,7 @@
 
 {% block content %}
 <article>
-  <div id="article_text">
+  <div class="article_text">
     <ul>
       {% for category, articles in categories %}
       <li><a href="{{ SITEURL }}/{{ category.url }}">{{ category }}</a></li>