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">
    <title>StopWatch</title>
    <link rel="stylesheet" href="style.css">
    
</head>
<body>
<div class="container">
    <h1>StopWatch</h1>
    <div id="time">
        <span class="digit" id="hr">00</span>
        <span class="txt">Hr</span>
        <span class="digit" id="min">00</span>
        <span class="txt">Min</span>
        <span class="digit" id="sec">00</span>
        <span class="txt">Sec</span>
        <span class="digit" id="count">00</span>
    </div>

    <div id="button">
    <button id ="start">Start</button>
    <button id="reset">Reset</button>
    <button id ="stop">Stop</button>
    </div>
</div>
<script src="./index.js"></script>
</body>
</html>