index.html

<html>
  <head>
    <title>To Do</title>
    <link rel="stylesheet" type="text/css" href="styles.css">
  </head>
  <body>
    <div id="wrapper">
    <div id="header"><h1>To Do List</h1></div>
      <div id="addBlock">
        <input type="input" id="textfield" placeholder="Write something!">
        <!--<input type="button" id="submit" value="add">-->
      </div>
      <div id="list">
        <ul id="listTag"></ul>
      </div>
    </div>
    <script src="script.js"></script>
  </body>
</html>