This example shows a minimal starting point for a D3 version 7 project, displaying the static text “Hello D3 code” centered on the page. It uses the `select` function from the d3 module to target the body element and set its text content. The HTML file loads D3 from a CDN and includes a separate `bundle.js` file, while the CSS sets a large font size and centered alignment. No data or interactive elements are involved.