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="styles.css">
    <title>To Do App 2</title>

</head>

<body>
    <header>
        <div class="clock">
            <div id="hour">00</div>
            <span>:</span>
            <div id="minute">00</div>
            <span>:</span>
            <div id="seconds">00</div>
        </div>
        <h1>Hey, you.</h1>
    </header>
    <main>
        <div class="container">
            <form>
                <div class="searchbar">
                    <input type="text" id="new-todo" placeholder="What do you need to do?" />
                </div>

                <div class="btns">
                    <button id="btn-new-todo" type="submit">Add</button>
                    <button id="delete-all-done" type="button">Delete done todos</button>
                </div>
            </form>
            <section>
                <h2>Todos</h2>
                <ul id="todo-list"></ul>
            </section>
        </div>
    </main>
    <script src="script.js"></script>
</body>

</html>