diff --git a/.github/workflows/HTML+CSS-validator.yml b/.github/workflows/HTML+CSS-validator.yml
new file mode 100644
index 0000000..b4954c4
--- /dev/null
+++ b/.github/workflows/HTML+CSS-validator.yml
@@ -0,0 +1,5 @@
+- name: HTML5 Validator
+  uses: Cyb3r-Jak3/html5validator-action@v7.2.0
+  with:
+    root: src/
+    css: true