<div id="setting_highlight_example_wrapper">
    <iframe id="setting_highlight_example_frame" style="border:0; width:100%;" srcdoc="
        <!DOCTYPE html>
        <html>
            <head>
                <title>Example</title>
                <link rel='stylesheet' type='text/css' href='https://www.example.com/moodle/filter/synhi/javascript/EnlighterJS_3_6_0/styles/enlighterjs.godzilla.min.css'>
                <link rel='stylesheet' type='text/css' href='https://www.example.com/moodle/filter/synhi/styles.css'>
            </head>
            <body>
