<!doctype html>
<html>

<head>
    <title>Don't edit my draw</title>
    <meta charset="UTF-8">
    <meta lang="ja">
    <meta lang="ja-jp">
    <link rel="stylesheet" href="test.css">
    <script src="test.js"></script>
    <script src="https://code.jquery.com/jquery-3.7.1.min.js"
        integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script>
</head>

<body>
    <div>
        <h2>コピー可能</h2><img src="kinzan.png" class="protect-image">
    </div>
    <div class="uncopy">
        <h2>コピー不可能</h2><img src="kinzan.png" class="protect-image">
    </div>
</body>
</html>