diff --git a/index.js b/index.js
index 8dd1a3c..8d4d74d 100644
--- a/index.js
+++ b/index.js
@@ -3,4 +3,10 @@
 
 module.exports = {
   name: require('./package').name,
+
+  included: function (app) {
+    this._super.included.apply(this, app);
+
+    app.import('node_modules/mobiledoc-kit/dist/mobiledoc.css');
+  },
 };