add render timestamp to page template

page.html

         <a href="http://www.amazon.de/?_encoding=UTF8&amp;camp=1638&amp;creative=19454&amp;linkCode=ur2&amp;site-redirect=de&amp;tag=xythobuzorg-21">Amazon.de Affiliate</a>
         &middot;
         <a href="https://www.paypal.com/us/cgi-bin/webscr?cmd=_send-money&nav=1&email=xythobuz@me.com">PayPal</a>
+        <br><span style="font-size: xx-small">
+            Static HTML generated at <!--% print(datetime.now().strftime("%Y-%m-%d %H:%M:%S %z")) %-->
+        </span>
     </div>
     <script type="text/javascript">
         function loadPage() {

static/css/style.css

 #footer {
     text-align: center;
     margin-top: 1em;
-    margin-bottom: 1em;
     font-size: small;
 }