diff --git a/4-typing-game/solution/index.css b/4-typing-game/solution/index.css
index c17673598b..dcab6f520b 100644
--- a/4-typing-game/solution/index.css
+++ b/4-typing-game/solution/index.css
@@ -1,3 +1,7 @@
+body{
+	background-color: black;
+	color: white;
+}
 .highlight {
 	background-color: yellow;
 }