vcvbvb - 経済統計練習帳

<!DOCTYPE html>
<html>
    <head>
        <title>TODO</title>
        <meta charset="UTF-8">
    <link rel="stylesheet" href="material.min.css">
    <script  src="sample.js"></script>
<link rel="stylesheet" href="https://storage.googleapis.com/code.getmdl.io/1.0.6/material.indigo-pink.min.css">
<script src="https://storage.googleapis.com/code.getmdl.io/1.0.6/material.min.js"></script>
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
    </head>
   <body>
<div class="mdl-spinner mdl-js-spinner is-active"></div>
<div class="mdl-spinner mdl-spinner--single-color mdl-js-spinner is-active"></div>
</body>
</html>