diff --git a/after/syntax/css/ui-4.vim b/after/syntax/css/ui-4.vim
index 647fbf8..ac68789 100644
--- a/after/syntax/css/ui-4.vim
+++ b/after/syntax/css/ui-4.vim
@@ -1,3 +1,2 @@
-syn keyword cssFontProp contained caret caret-shape
-syn keyword cssFontAttr contained fade underscore
-syn region cssFunction contained matchgroup=cssFunctionName start="\<fade\s*(" end=")" oneline keepend
+syn keyword cssFontProp contained caret-shape caret-animation caret interactivity interest-delay-start interest-delay-end interest-delay accent-color
+syn keyword cssFontAttr contained underscore inert
diff --git a/test/test.css b/test/test.css
index 1bbb602..d843939 100644
--- a/test/test.css
+++ b/test/test.css
@@ -1456,11 +1456,16 @@ view {
 }
 
 .ui-4 {
-  caret: auto;
   caret-shape: auto;
-  display: fade;
-  display: fade(1em);
+  caret-animation: auto;
+  caret: auto;
+  interactivity: auto;
+  interest-delay-start: auto;
+  interest-delay-end: auto;
+  interest-delay: auto;
+  accent-color: auto;
   display: underscore;
+  display: inert;
 }
 
 .unofficials {