diff --git a/.replit b/.replit
new file mode 100644
index 0000000..08864ab
--- /dev/null
+++ b/.replit
@@ -0,0 +1,2 @@
+language = "nodejs"
+run = "yarn run gulp watch"
diff --git a/README.md b/README.md
index 53635f5..165fd78 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,10 @@ You can add any screenshot or video with the `device-content` class. The resolut
 
 You can custom Devices.css by modifing SASS `.scss` files located in `src` folder.
 
+[![Run on Repl.it](https://repl.it/badge/github/picturepan2/devices.css)](https://repl.it/github/picturepan2/devices.css)
+
 ## Browser support
+
 Devices.css uses [Autoprefixer](https://github.com/postcss/autoprefixer) to make most styles compatible with earlier browsers. For best compatibility, these browsers are recommended:
 
 - Chrome (LAST 4)