public/index.html

<!DOCTYPE html>
<html>
  <head>
    <link rel="stylesheet" href="/css/font-awesome.min.css" />
    <link rel="stylesheet" href="/css/style.css" />
    <link href="https://fonts.googleapis.com/css?family=Noto+Sans:400,700" rel="stylesheet" />
    <link rel="shortcut icon" href="/img/favicon.ico" />
    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-109487436-1"></script>
    <script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());

gtag('config', 'UA-109487436-1');
    </script>
  </head>
  <body>
    <div id='root'>
      Loading...
    </div>
  </body>
</html>