This example displays the text “Hello HTML” centered on a blank page using a single static HTML file. It demonstrates the foundational structure of an HTML document with a `<head>` section containing the page title and embedded CSS styling, followed by a `<body>` with the text content. The code uses plain HTML elements, the CSS `body` selector with `text-align`, `font-size`, and the `<!DOCTYPE html>` declaration. No JavaScript or external libraries are involved, making it a minimal starting point for creating web-based visualizations.