diff --git a/token.css b/token.css
index 0df6c8e..c8500c5 100644
--- a/token.css
+++ b/token.css
@@ -8,3 +8,11 @@
   padding-top: 0;
   padding-bottom: 0;
 }
+
+.token-group {
+  font-weight: bold;
+}
+
+.js .token-group {
+  font-weight: normal;
+}