diff --git a/client.sample.etuc.css b/client.sample.etuc.css
index 17ff7f7..27651d3 100644
--- a/client.sample.etuc.css
+++ b/client.sample.etuc.css
@@ -42,7 +42,7 @@
   --color-user-panel-list-border: #E4E8ED;
 
   /* Left menu */
-  --color-menu-highlight-primary: #000c42;
+  --color-menu-highlight-primary: transparent;
   --color-menu-background: var(--color-secondary);
   --color-menu-text: var(--color-white);
   --color-menu-text-active: var(--color-secondary);