diff --git a/app/assets/stylesheets/components/navigation.scss b/app/assets/stylesheets/components/navigation.scss
index 44e12e53b..5dede4ccc 100644
--- a/app/assets/stylesheets/components/navigation.scss
+++ b/app/assets/stylesheets/components/navigation.scss
@@ -179,6 +179,12 @@
     list-style: none;
     padding: 0;
     margin: 0;
+
+    ol,
+    ul {
+      margin-top: govuk-spacing(2);
+      border-top: 1px $grey-3 solid;
+    }
   }
 
   &__item {
@@ -199,6 +205,11 @@
 
     ol ol & {
       padding-left: govuk-spacing(6);
+
+      &:last-of-type {
+        border-bottom: none;
+        padding-bottom: 0;
+      }
     }
   }