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This example demonstrates a minimal setup for loading external libraries and local modules in a web page. It displays the text message "Hello VizHub!" in large, centered type. The visualization uses D3’s `select` function to target the `#message` div and update its text content, while a local ES6 module exports the message string. Custom CSS styles the message with a large font size and center alignment, showcasing basic integration between D3, modular JavaScript, and styling.