diff --git a/Viewer/css/layout.css b/Viewer/css/layout.css
index 0983f877..07861708 100755
--- a/Viewer/css/layout.css
+++ b/Viewer/css/layout.css
@@ -21,6 +21,10 @@
 
 
 /******************************************************** theaming ***/
+/*
+* XXX need to extract L0 theaming and ui config to vars...
+* XXX need to rewrite the css via fexbox... (???)
+*/
 
 .viewer,
 .viewer.gray {