css图片加水印

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS Watermark</title>
    <style>
        .watermarked-image {
            position: relative;
            display: inline-block;
        }

        .watermarked-image::after {
            content: "Watermark";
            position: absolute;
            top: 10px;
            left: 10px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 20px;
            pointer-events: none;
        }
    </style>
</head>
<body>
    <div class="watermarked-image">
        <img src="path/to/your/image.jpg" alt="Sample Image">
    </div>
</body>
</html>