diff --git a/www/media/idf/css/style.css b/www/media/idf/css/style.css
index eff8a28..325cc24 100644
--- a/www/media/idf/css/style.css
+++ b/www/media/idf/css/style.css
@@ -589,6 +589,11 @@ span.ctrl-char[title="0x09"] {
   width: 24px;
 }
 
+/* override any prettify css rule */
+span.ctrl-char > * {
+  color: white;
+}
+
 table.diff {
   width: 100%;
   table-layout: fixed;
@@ -693,11 +698,6 @@ table.diff-contents td.removed > span.ctrl-char {
   background: #A00;
 }
 
-/* override prettify css rule */
-table.diff-contents td > span.ctrl-char > * {
-  color: white;
-}
-
 /**
  * view file content
  */