This example displays a large, centered "Hello VizHub!" message in a dark blue theme with Ubuntu typography. It demonstrates how to combine a D3.js selection API, a custom ES6 module, and a remote Google Fonts stylesheet within a basic HTML document. The page loads D3 v5 from a CDN, imports the `select` function to target the message container, and applies the text from an external module, all while styling the body through a separate CSS file.