index.html

<!--!
  @author Mohamed Muntasir
  @link https://github.com/devmotheg
  -->

<!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="css/styles.css" />
  <title>Countdown Timer</title>
</head>

<body>
  <!-- Main -->
  <main class="timer">
    <!-- Header -->
    <div class="timer__header">
      <h1>Countdown Timer</h1>
    </div>
    <!-- Body -->
    <div class="timer__body">
      <div class="timer__days" data-digits="3" data-base="999" data-type="days">
        <div class="timer__circle" data-time="999"></div>
        <p>DAY(S)</p>
      </div>
      <div class="timer__hours" data-digits="2" data-base="23" data-type="hours">
        <div class="timer__circle" data-time="23"></div>
        <p>HOUR(S)</p>
      </div>
      <div class="timer__minutes" data-digits="2" data-base="59" data-type="minutes">
        <div class="timer__circle" data-time="59"></div>
        <p>MINUTE(S)</p>
      </div>
      <div class="timer__seconds" data-digits="2" data-base="59" data-type="seconds">
        <div class="timer__circle" data-time="59"></div>
        <p>SECOND(S)</p>
      </div>
    </div>
    <!-- Footer -->
    <div class="timer__footer">
      <div>
        <label for="timer__input">
          Upcoming date:<br />(yyyy-mm-dd hh:mm)
          <input id="timer__input" class="timer__input" type="text" placeholder="Enter upcoming date" maxlength="19" />
        </label>
        <button>START COUNTER!</button>
      </div>
      <a href="https://github.com/devmotheg">Designed by Mohamed Muntasir</a>
    </div>
  </main>
  <script src="js/app.js"></script>
</body>

</html>