<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Hello World!</title>
    <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" />
</head>
<body>
    <h1>Hello World!</h1>
    <p>Keep an eye on the dock (Mac) or taskbar (Windows, Unity) for this application!</p>
    <p>It should indicate a progress that advances from 0 to 100%.</p>
    <p>It should then show indeterminate (Windows) or pin at 100% (other operating systems)
      briefly and then loop.</p>
</body>
</html>