Correct ul styling, and pad ul within li

Sub ul need padding to make it look correct. This change is originally
for the sitemap, however it will likely be used elsewhere.

main.css

@@ -20,8 +20,12 @@ a:link, a:visited {color:#087ca7;}
 a:hover, a:visited:hover {color:#09b2dc;}
 ul{
 	padding-left: 0;
+	margin-left: 0;
 	list-style-position: inside;
 }
+li > ul{
+	margin-left: 1em;
+}
 footer p{
 	margin: 0;
 }