diff --git a/test/css/css-3.css b/test/css/css-3.css
index a4497d40..94a47d86 100644
--- a/test/css/css-3.css
+++ b/test/css/css-3.css
@@ -59,3 +59,10 @@ p::before {
     border: 3px;
   }
 }
+.units {
+  font: 1.2rem/2rem;
+  font: 8vw/9vw;
+  font: 10vh/12vh;
+  font: 12vm/15vm;
+  font: 1.2ch/1.5ch;
+}