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="./css/style.css">
    <script defer src="./js/app.js"></script>
    <title>Tic-Tac-Toe</title>
</head>
<body>
    <h1>Tic-Tac-Toe</h1>
    <h2 id="message">Message</h2>
    <button type="reset" id="reset">Reset</button>
    <selection class="board">
        <div id="sq0" class="square"></div>
        <div id="sq1" class="square"></div>
        <div id="sq2" class="square"></div>
        <div id="sq3" class="square"></div>
        <div id="sq4" class="square"></div>
        <div id="sq5" class="square"></div>
        <div id="sq6" class="square"></div>
        <div id="sq7" class="square"></div>
        <div id="sq8" class="square"></div>
    </selection>
</body>
</html>