Navigation bar: Make navigation items clickable everywhere.

Change-Id: Ic69c8b03e41868b3d28d4463e991f58ea2b82411
diff --git a/src/main/resources/META-INF/resources/cms2/base.css b/src/main/resources/META-INF/resources/cms2/base.css
index 126be6d..8d4a05c 100644
--- a/src/main/resources/META-INF/resources/cms2/base.css
+++ b/src/main/resources/META-INF/resources/cms2/base.css
@@ -90,9 +90,6 @@
 
 body > nav > ol > li {
   flex: auto;
-
-  padding: 5px;
-  padding-left: 1em;
 }
 
 body > nav > ol > li.this-page {
@@ -104,6 +101,9 @@
 
 body > nav > ol > li > a {
   text-decoration: none;
+  display: block;
+  padding: 5px;
+  padding-left: 1em;
 }
 
 body > main {