index.html

<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link href="styles.css" rel="stylesheet">
    <title>Minesweeper</title>
</head>
<body>
    <div class="main">
        <div class="title">
            <h1 class="test">Minesweeper</h1> <hr>
            <div class="flagButton">
                <div class="flagText">U</div>
            </div>
            <p> F = in Flagging mode, U = in Uncover mode, Or right click!</p>
            <div class="timer">
                <span id="minutes"></span>:<span id="seconds"></span>
                <div class="flagdiv">
                    <span class="flagcount"></span>
                </div>

            </div>
        </div>
        <div class="gameboard">
            <table class="grid">
            </table>
        </div>
    </div>
</body>
<script src="main.js" type="text/javascript"></script>
</html>