diff --git a/README.md b/README.md
index 59984ea..5fc5b87 100644
--- a/README.md
+++ b/README.md
@@ -75,6 +75,7 @@ The game is abide by few rules :-
 * [Bootstrap](https://getbootstrap.com/)
 * [Tailwind CSS](https://tailwindcss.com/)
 * [jQuery](https://jquery.com/)
+* [CSS](https://www.scaler.com/topics/css/)  
 
 - Deployed on Vercel. Thanks to [MLH](https://mlh.io/) for providing free learning resources!