VanillaJS/Todo/index.html

<!doctype html>
<html lang="en" data-framework="javascript">

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
    <title>VanillaJS | Todo</title>
    <link href="https://fonts.googleapis.com/css?family=Roboto:400,500,700" rel="stylesheet">
    <link rel="stylesheet" href="css/reset.min.css">
    <link rel="stylesheet" href="css/style.css"> </head>

<body>
    <header>
        <input id="item" type="text" placeholder="Enter an activity..">
        <button id="add">
            <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 16 16" style="enable-background:new 0 0 16 16;" xml:space="preserve">
                <g>
                    <path class="fill" d="M16,8c0,0.5-0.5,1-1,1H9v6c0,0.5-0.5,1-1,1s-1-0.5-1-1V9H1C0.5,9,0,8.5,0,8s0.5-1,1-1h6V1c0-0.5,0.5-1,1-1s1,0.5,1,1v6h6C15.5,7,16,7.5,16,8z" /> </g>
            </svg>
        </button>
    </header>

    <div class="container">
        <ul class="todo" id="todo"></ul>
        <ul class="todo" id="completed"></ul>
    </div>

    <script src="js/app.js"></script>
</body>
</html