index.html

## index.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link href="https://fonts.googleapis.com/css?family=Lato" rel="stylesheet">
    <link rel="stylesheet" href="css/style.css">
    <title>Calculator</title>
</head>
<body>

    <div class="container">
        <h1>Age Calculator</h1>
        <form>
            <input type="date" class="date-input">
            <input type="submit" value="calculate">
        </form>
    </div>

    <script src="dist/bundle.js"></script>
</body>
</html>