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index.html

<!DOCTYPE html>
<html>
    <head>
        <style>
            dialog {
                border: 2px solid #007BFF;
                border-radius: 10px;
                padding: 20px;
                font-family: Arial, sans-serif;
                box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            }

dialog::backdrop {
                background-color: rgba(0, 0, 0, 0.5);
            }
        </style>
    </head>
    <body>
        <h2>Styled Dialog Example</h2>
        <button id="openDialog">Open Styled Dialog</button>

<dialog id="styledDialog">
            <p>This is a styled dialog box.</p>
            <button id="closeStyledDialog">Close</button>
        </dialog>

openButton.addEventListener('click', () => dialog.showModal());
            closeButton.addEventListener('click', () => dialog.close());
        </script>
    </body>
</html>