support for delayed opening. css changes

templates/preview.html

@@ -1,8 +1,12 @@
 {% extends "layout.html" %}
 {% block body %}
-    <div id="preview_header">
+    <div id="preview_header" class=autoformat>
     Preview for: {{ key|safe }}<br>
-    Expires: {{ valid_for }}<br>
+    Voting ends at: {{ valid_for }}<br>
+    Voting starts at: {{ opens }}<br>
+    Style (open/closed): {{ form.vote_style }}<br>
+    Show results after voting: {{ form.show_results }}<br>
+    Title: {{ form.title }}<br>
     </div>
 
     {% include "questions.html" %}