diff --git a/static/css/theme.css b/static/css/theme.css
index b7c9a7375b..d2fa2f801a 100644
--- a/static/css/theme.css
+++ b/static/css/theme.css
@@ -1756,6 +1756,18 @@ article ul li input[type="checkbox"]:checked::before {
     width: 100%;
 }
 
+/* menu states for not(.collapsible-menu) */
+
+#sidebar ul ul {
+    display: none;
+}
+
+#sidebar ul > li.parent > ul,
+#sidebar ul > li.active > ul,
+#sidebar ul > li.alwaysopen > ul {
+    display: block;
+}
+
 /* closed menu */
 
 #sidebar ul.collapsible-menu > li > input + label ~ ul {