Move some code around, get rid of default stuff

src/index.js

@@ -1,6 +1,10 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
-import './index.css';
+
+import './css/normalize.css';
+import './css/skeleton.css';
+import './css/index.css';
+
 import App from './App';
 import registerServiceWorker from './registerServiceWorker';