Use posts-table style for non-post tables

boards/templates/boards/authors.html

@@ -8,7 +8,7 b''
 {% endblock %}
 
 {% block content %}
-    <div class="post">
+    <div id="posts-table">
         <p><img src="{% static 'favicon.png' %}" width="200" /></p>
         <h2>{% trans 'Statistics' %}</h2>
         <p>{% trans 'Size of media:' %} {{ media_size|filesizeformat }}.

boards/templates/boards/settings.html

@@ -9,7 +9,7 b''
 {% endblock %}
 
 {% block content %}
-    <div class="post">
+    <div id="posts-table">
         <p>
             {% if moderator %}
                 {% trans 'You are moderator.' %}