diff --git a/Platform/WebServer/css/tutorial.css b/Platform/WebServer/css/tutorial.css
index f7a156f72..44dd6006a 100644
--- a/Platform/WebServer/css/tutorial.css
+++ b/Platform/WebServer/css/tutorial.css
@@ -32,7 +32,7 @@ font-weight: bold;
 }
 
 ::-webkit-scrollbar {
-    width: 10px;
+    width: 5px;
 }
 
 ::-webkit-scrollbar-track {