diff --git a/html/css/custom/styles.css b/html/css/custom/styles.css
index 59a49c97cfc5a11bb1edc76d33c11aaa533d816a..d320ec7d62f8f78e6f7a8beec01afa86ba61c08d 100644
--- a/html/css/custom/styles.css
+++ b/html/css/custom/styles.css
@@ -2,7 +2,7 @@
   /*--------------------------------------------------
   # Create by ckforum
   # june 2019
-  # release 2.2
+  # release 2.3
   # thanks to yoyo and librenms teams
   # warning ! for backgroud of overlib 
   # see https://github.com/librenms/librenms/pull/10300 
@@ -33,6 +33,10 @@
   ### https://docs.librenms.org/Support/Configuration/#webui-settings
   ## this add style is based on mono theme
   $config['site_style']       = "mono";
+  
+  ## BG color for vlan graph default = "#e3e3e3";
+  $config['list_colour']['odd_alt2'] ="#0000002e";
+
 */
 
 :root {