Remove underlines from article headers

themes/lite/templates/article.html

@@ -12,6 +12,10 @@ a.external {
 	background-repeat: no-repeat;
 	padding-right: 15px;
 }
+.toclink:not(:hover) {
+	text-decoration: none;
+	outline: none;
+}
 .content {
 	max-width: 600px;
 }