changes to satisfy DESIGNFOXY

src/components/App.js

@@ -25,7 +25,7 @@ class App extends Component {
   render() {
     return (
       <div className="container-fluid">
-        <div className="navbar">
+        <div className="navbar-fixed">
           <nav>
             <div className="nav-wrapper">
               <a href="/" className="brand-logo center">Logo</a>