index.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="icon" type="image/png" href="static/favicon.png">
    <title>AWS Karuta English ver</title>

    <meta property="og:locale" content="en_US"/>
    <meta property="og:type" content="website">
    <meta property="og:url" content="https://karuta.awsvn.org/">
    <meta property="og:title" content="Karuta game"/>
    <meta property="og:description" content="Amazon Web Services Karuta game - Crafted by OSAM, Invented by Shingo Yoshida"/>
    <meta property="og:image" content="static/thumbnail.png"/>

    <meta name="twitter:card" content="summary">
    <meta name="twitter:title" content="Karuta game!">
    
  </head>
  <body>
    <div id="app"></div>
    <!-- built files will be auto injected -->
  </body>
</html>