Draw period_archives according to the archives model. This fixes margin for period archives.

templates/period_archives.html

@@ -0,0 +1,22 @@
+{% extends "base.html" %}
+{% block title %} – {{ _('Archives') }}{% endblock %}
+
+{% block content %}
+<article class="single">
+  <header>
+    <h1>{{ _('Archives') }}</h1>
+  </header>
+  <div>
+    <dl>
+      {% set previous_date = False %}
+      {% for article in dates %}
+        {% if article.locale_date != previous_date %}
+          {% set previous_date = article.locale_date %}
+      <dt>{{ article.locale_date }}</dt>
+        {% endif %}
+      <dd><a href="{{ SITEURL }}/{{ article.url }}">{{ article.title }}</a></dd>
+      {% endfor %}
+    </dl>
+  </div>
+</article>
+{% endblock %}