diff --git a/themes/learn2/css/.custom.css.swp b/themes/learn2/css/.custom.css.swp
new file mode 100644
index 0000000..cc54333
Binary files /dev/null and b/themes/learn2/css/.custom.css.swp differ
diff --git a/themes/learn2/css/custom.css b/themes/learn2/css/custom.css
index 107f3fa..5a4efe4 100644
--- a/themes/learn2/css/custom.css
+++ b/themes/learn2/css/custom.css
@@ -123,3 +123,22 @@ textarea:focus, input[type="email"]:focus, input[type="number"]:focus, input[typ
 blockquote {
     border-left: 10px solid #9C5EA2;
 }
+
+/* Hides the sub-menu item if parent not active */
+.dd-item .dd-item ul li {
+    display: none;
+}
+
+.dd-item .dd-item.active ul li,
+.dd-item.parent > ul > li {
+    display: block;
+}
+
+/* Hides the sub-sub-menu menu-item if parent not active */
+.dd-item.parent > ul > li.dd-item.active > ul > li > ul > li {
+    display: none;
+}
+
+.dd-item.parent > ul > li.dd-item.active > ul > li {
+    display: block;
+}