diff --git a/after/syntax/css/box-3.vim b/after/syntax/css/box-3.vim
index 599892d..88f1f22 100644
--- a/after/syntax/css/box-3.vim
+++ b/after/syntax/css/box-3.vim
@@ -2,7 +2,6 @@ syn match cssBoxProp contained "\<clear-after\>"
 syn match cssBoxProp contained "\<float-displace\>"
 syn match cssBoxProp contained "\<indent-edge-reset\>"
 syn keyword cssBoxAttr contained scrollbar panner marquee decendants complex available
-syn match cssBoxAttr contained "\<ruby\(-\(base\(-group\)\=\|text\(-group\)\=\)\)\=\>"
 syn match cssBoxAttr contained "\<block-within-page\>"
 syn match cssBoxAttr contained "\<fit-content\>"
 syn match cssBoxAttr contained "\<\(margin\|border\|padding\|content\)-edge\>"
diff --git a/after/syntax/css/display-3.vim b/after/syntax/css/display-3.vim
index 6cf67f1..9eee23d 100644
--- a/after/syntax/css/display-3.vim
+++ b/after/syntax/css/display-3.vim
@@ -1,2 +1,3 @@
 syn keyword cssFontAttr contained contents discard
 syn match cssFontAttr contained "\<flow\(-root\)\=\>"
+syn match cssBoxAttr contained "\<ruby\(-\(base\(-group\)\=\|text\(-group\)\=\)\)\=\>"
diff --git a/test/test.css b/test/test.css
index 1ff3a06..4ed7eab 100644
--- a/test/test.css
+++ b/test/test.css
@@ -49,11 +49,7 @@
   display: scrollbar;
   display: panner;
   display: marquee;
-  display: ruby;
-  display: ruby-base;
-  display: ruby-text;
-  display: ruby-base-group;
-  display: ruby-text-group;
+  display: discard;
   display: decendants;
   display: block-within-page;
   display: fit-content;
@@ -228,7 +224,11 @@
   display: flow;
   display: flow-root;
   display: contents;
-  display: discard;
+  display: ruby;
+  display: ruby-base;
+  display: ruby-text;
+  display: ruby-base-group;
+  display: ruby-text-group;
 }
 
 .exclusions-3 {