This example demonstrates a single large circle rendered with SVG alongside a styled HTML body. The visualization shows a basic geometric shape without data mapping, using inline SVG markup and a CSS stylesheet to set page typography. The code initializes an empty `<svg>` element and adds a `<circle>` with a fixed radius, while `styles.css` applies monospace font styling and a red `.highlighted` class. The example relies on native HTML5 and SVG APIs, with no external JavaScript libraries or data sources.