diff --git a/dev.less b/dev.less
index e66990c..306c976 100644
--- a/dev.less
+++ b/dev.less
@@ -45,7 +45,7 @@ body::before {
         background-color: rgba(255,255,255,0) !important;
     }
     .navigation ul.level0{
-        background-color: rgba(255,255,255,0.75) !important;
+        background-color: rgba(255,255,255,0.9) !important;
     }
 
     /* remove borders and shadow */