diff --git a/app/src/react/index.jsx b/app/src/react/index.jsx
index 0728aa0..ab98c53 100644
--- a/app/src/react/index.jsx
+++ b/app/src/react/index.jsx
@@ -6,10 +6,13 @@ import {hot} from 'react-hot-loader';
 import Stage from './components/stage';
 import Ui from './components/ui';
 
+const WIDTH = 1600;
+const HEIGHT = 900;
+
 const Humus = () => (
   <div className="humus">
-    <Stage width={400} height={225} />
-    <Ui />
+    <Stage width={WIDTH} height={HEIGHT} />
+    <Ui width={WIDTH} height={HEIGHT} />
   </div>
 );