<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Sample HTML Page</title>
</head>
<body>

    <h1>Welcome to My Webpage</h1>
    <p>This is a simple HTML page with a heading, paragraph, and a button.</p>
    
    <button onclick="alert('Hello, world!')">Click Me</button>

</body>
</html>
