index.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="style.css">
    <title>Tetris Game</title>

    <style>
        #score {
            margin-top: 5px;
            display: inline-block;
        }
        
        div {
            font-size: 25px;
            font-weight: bold;
            font-family: monospace;
            text-align: center;
        }
        
        canvas {
            display: block;
            margin: 0 auto;
            border: 3px solid rgb(37, 36, 36);
        }
    </style>

</head>

<body>
    <canvas id="tetris" width="250" height="500"></canvas>
    <div>
        Score :
        <div id="score"></div>
    </div>

    <script src="functions.js"></script>
</body>

</html>