diff --git a/after/syntax/css/css-variables-1.vim b/after/syntax/css/css-variables-1.vim
index a7c976c..c5d1d54 100644
--- a/after/syntax/css/css-variables-1.vim
+++ b/after/syntax/css/css-variables-1.vim
@@ -1,3 +1,2 @@
-" TODO: create cssVariableProp group
-syn match cssFontProp contained "\<var-[A-Za-z_][A-Za-z0-9_-]\+\>"
+syn match cssFontProp contained "\<--[A-Za-z_][A-Za-z0-9_-]\+\>"
 syn region cssFunction contained matchgroup=cssFunctionName start="\<var\s*(" end=")" oneline keepend
diff --git a/test/test.css b/test/test.css
index aec77f8..41dcdbf 100644
--- a/test/test.css
+++ b/test/test.css
@@ -860,7 +860,7 @@
 }
 
 .variables-1 {
-  var-foo: var(foo);
+  --var-foo: var(foo);
 }
 
 @viewport {