diff --git a/CSS.md b/CSS.md
index 55cf5de..1e2e50f 100644
--- a/CSS.md
+++ b/CSS.md
@@ -28,7 +28,10 @@
 
 * [CSS Cheatsheet](https://cssauthor.com/html-and-css-cheat-sheets/#HTML)
 
-* [CSS Validator](http://jigsaw.w3.org/css-validator/);
+* [CSS Validator](http://jigsaw.w3.org/css-validator/)
+
+* [CSS Patterns](https://projects.verou.me/css3patterns/);
+
 
 
 ### Animations