index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>ClickCount</title>
    <style>
        body {
            height: 100%;
            margin: 20%;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .centralizar {
            border: 2px solid green;
            padding: 20px;
            text-align: center;
        }
    </style>
</head>
<body>
    <!--  -->
    <!-- -->
    <div class="centralizar">
        <h1>Contador de Cliques</h1>
        <button id="clickButton">Clique aqui para adicionar!</button>
        <button id="clickButton1">Clique aqui para remover!</button>
        <p>Cliques: <span id="clickCount">0</span></p>
    </div>
    <script src="./script.js"></script>
</body>
</html>