index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <link rel="stylesheet" href="./style.css" />
    <script
      src="https://kit.fontawesome.com/2bbe09d83f.js"
      crossorigin="anonymous"
    ></script>
    <title>To Do List</title>
  </head>

  <body>
    <div class="container-title">
      <h1>To Do List</h1>
    </div>
    <div class="container">
      <div class="inputcol">
        <textarea name="text" class="textarea"></textarea>
        <button type="button" class="buttoninput">
          <i class="fa-solid fa-check-double"></i> Add
        </button>
      </div>
    </div>
    <div class="todolist"></div>
    <script src="./app.js"></script>
  </body>
</html>