diff --git a/tags.json b/tags.json
index babab3f1e..889a6b0c3 100644
--- a/tags.json
+++ b/tags.json
@@ -248,6 +248,7 @@
     "config",
     "console",
     "css",
+    "css ",
     "csv",
     "d3.js",
     "dart",