diff --git a/after/syntax/css/pseudo-4.vim b/after/syntax/css/pseudo-4.vim
index 30c053d..ada8507 100644
--- a/after/syntax/css/pseudo-4.vim
+++ b/after/syntax/css/pseudo-4.vim
@@ -1 +1 @@
-syn keyword cssPseudoClassId contained prefix postfix target-text spelling-error grammer-error file-selectors-button
+syn keyword cssPseudoClassId contained prefix suffix target-text spelling-error grammer-error file-selectors-button search-text details-content
diff --git a/test/test.css b/test/test.css
index e16548c..4ee519a 100644
--- a/test/test.css
+++ b/test/test.css
@@ -886,11 +886,13 @@ mask {
 }
 
 .pseudo-4::first-letter::prefix,
-.pseudo-4::first-letter::postfix,
+.pseudo-4::first-letter::suffix,
 .pseudo-4::target-text,
 .pseudo-4::spelling-error,
 .pseudo-4::grammer-error,
-.pseudo-4::file-selectors-button {
+.pseudo-4::file-selectors-button,
+.pseudo-4::search-text,
+.pseudo-4::details-content {
   display: auto;
 }