SinglePlayer - Games/simon-says/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>Simon says</title>
    <link href="https://fonts.googleapis.com/css2?family=Merriweather:wght@900&display=swap" rel="stylesheet">
    <link href="styles.css" rel="stylesheet" />
    <script src="script.js" type="text/javascript" defer></script>
</head>
<body>
    <header ><h3 >simon says</h3>
        <label>set round for play :</label>
        <input type="number" id="total-round" value="5">
        <button id="startButton">Start</button>
</header>

    <div class="main">  
    <div class="simon">
        <div class="buttonContainer">
            <div class="square red"></div>
            <div class="square yellow"></div>
            <div class="square blue"></div>
            <div class="square green"></div>
        </div>
        <div id="round"></div>
    </div></div>
</body>
</html>