open_in_new content_copy 
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Internal Style Sheet Example</title>
    <style>
        /* Internal CSS styles go here */
        body {
            font-family: Arial, sans-serif;
            background-color: #f0f0f0;
            margin: 0;
            padding: 0;
        }

        h1 {
            color: #333;
            text-align: center;
            padding: 20px;
        }

        p {
            color: #666;
            font-size: 18px;
            line-height: 1.6;
            margin: 20px;
        }

        .highlight {
            color: #0056b3;
            font-weight: bold;
        }

        #main-content {
            padding: 40px;
            background-color: #ffffff;
            border: 1px solid #ddd;
            max-width: 800px;
            margin: 20px auto;
        }
    </style>
</head>
<body>

    <div id="main-content">
        <h1>Welcome to Internal CSS Styling</h1>
        <p>This is an example of an internal style sheet.
        <p class="highlight">This paragraph has additional styling with a specific class.</p>
    </div>

</body>
</html>