diff --git a/after/syntax/css/values-5.vim b/after/syntax/css/values-5.vim
new file mode 100644
index 0000000..f8729da
--- /dev/null
+++ b/after/syntax/css/values-5.vim
@@ -0,0 +1 @@
+syn region cssFunction contained matchgroup=cssFunctionName start="\<\(\(\(media\|container\)-\)\=progress\|\(\(calc\|transform\)-\)\=mix\|cross-fade\|toggle\)\s*(" end=")" oneline keepend
diff --git a/test/test.css b/test/test.css
index 835eb07..8cab37b 100644
--- a/test/test.css
+++ b/test/test.css
@@ -1353,6 +1353,18 @@ view {
 	display: sign(-4);
 }
 
+.values-5 {
+	display: progress(1, 0, 100);
+	display: media-progress(width, 0, 100);
+	display: container-progress(width, 0, 100);
+	display: calc-mix(0.5, 0, 100);
+	display: color-mix(15%, black, white);
+	display: transform-mix(1, scale(0.5), rotate(10deg));
+	display: mix(90%, red, blue);
+	display: cross-fade(15%, url(foo.png), white);
+	display: toggle(italic, normal);
+}
+
 .variables-1 {
 	display: auto;
 }