diff --git a/seed/challenges/html5-and-css.json b/seed/challenges/html5-and-css.json
index 6ceb796a9c..2cd296e3c6 100644
--- a/seed/challenges/html5-and-css.json
+++ b/seed/challenges/html5-and-css.json
@@ -2603,8 +2603,9 @@
         "  .smaller-image {",
         "    width: 100px;",
         "  }",
+        "",
         "  .gray-background {",
-        "    background-color: gray",
+        "    background-color: gray;",
         "  }",
         "</style>",
         "",