HTML + CSS
This example demonstrates a minimal interactive web page that renders a single yellow circle with a black outline using SVG within a React application. The visualization is created through React's `ReactDOM.render` method, which injects the SVG component into the HTML `#root` element. The page incorporates inline CSS for base styling, ensuring the body has no margin and hides overflow. The code uses React 18.2.0 UMD libraries and a separate `styles.css` file, though no external data is loaded, focusing purely on static graphical output.