diff --git a/after/syntax/css/css-pseudo-4.vim b/after/syntax/css/css-pseudo-4.vim
index 2dfd755..85b3fc7 100644
--- a/after/syntax/css/css-pseudo-4.vim
+++ b/after/syntax/css/css-pseudo-4.vim
@@ -1 +1,2 @@
+syn match cssPseudoClassId contained "\<inactive-selection\>"
 syn match cssPseudoClassId contained "\<\(spelling\|grammer\)-error\>"
diff --git a/test/test.css b/test/test.css
index 3127947..75e5087 100644
--- a/test/test.css
+++ b/test/test.css
@@ -408,10 +408,9 @@
   offset-start: auto;
 }
 
-.pseudo::selection,
+.pseudo::inactive-selection,
 .pseudo::spelling-error,
-.pseudo::grammer-error,
-.pseuod::placeholder {
+.pseudo::grammer-error {
   display: block;
 }
 
diff --git a/test/test.html b/test/test.html
index 46ae2fb..83341ad 100644
--- a/test/test.html
+++ b/test/test.html
@@ -452,10 +452,9 @@
 }
 </style>
 <style>
-.pseudo::selection,
+.pseudo::inactive-selection,
 .pseudo::spelling-error,
-.pseudo::grammer-error,
-.pseuod::placeholder {
+.pseudo::grammer-error {
   display: block;
 }
 </style>