diff --git a/src/css/connectivity.css b/src/css/connectivity.css
index 09ae278..6e82fe1 100644
--- a/src/css/connectivity.css
+++ b/src/css/connectivity.css
@@ -130,7 +130,7 @@ body {
 /* Works on Firefox */
 * {
   scrollbar-width: thin;
-  scrollbar-color: #2b3e50 #4e5d6c;
+  scrollbar-color: #4e5d6c #2b3e50;
 }
 
 /* Works on Chrome, Edge, and Safari */
diff --git a/src/css/tools.css b/src/css/tools.css
index c45dd68..5ef1f11 100644
--- a/src/css/tools.css
+++ b/src/css/tools.css
@@ -124,7 +124,7 @@ body {
 /* Works on Firefox */
 * {
   scrollbar-width: thin;
-  scrollbar-color: #2b3e50 #4e5d6c;
+  scrollbar-color: #4e5d6c #2b3e50;
 }
 
 /* Works on Chrome, Edge, and Safari */