adjust styles

resource/styles/agile-admin/inverse/variables.scss

@@ -51,7 +51,7 @@ $rgt:right !default;
 $lft:left !default;
 
 $dark-text:#848a96 !default;
-$navbar-border: #999 !default;
+$navbar-border: #ccc !default;
 $active-navbar-border: lighten($navbar-border, 20%) !default;
 
 /*Border radius*/