header.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sample Header</title>
    <style>
        /* CSS styles for the header */
        header {
            background-color: #4CAF50; /* Green background color */
            color: white; /* White text color */
            text-align: center; /* Center-align the text */
            padding: 10px; /* Add some padding around the content */
        }
    </style>
</head>
<body>

<header>
    <h1>Welcome to My Website</h1>
    <nav>
        <a href="#">Home</a> |
        <a href="#">About</a> |
        <a href="#">Services</a> |
        <a href="#">Contact</a>
    </nav>
</header>

<!-- Rest of your HTML content goes here -->

</body>
</html>