This example demonstrates a minimal web page that displays a single black circle centered inside an SVG canvas. The visualization is purely presentational, with no data or interaction. The page uses basic CSS for styling the body and an SVG `<circle>` element for the visual, while a JavaScript `console.log` statement shows how to output messages in the developer tools. It serves as a template for combining HTML, CSS, JavaScript, and SVG rendering in a React or plain HTML setup.