This example displays a simple pet-selection form built with React, featuring a dropdown menu populated with hardcoded options for animals like dogs, cats, and hamsters. The `DropDown` component maps over an array of value-label pairs to render `<option>` elements, while `ReactDOM.render` mounts the app to the `#root` div. A goldenrod circle drawn with SVG serves as a decorative background, using the `BackgroundCircle` component. The page loads React and ReactDOM from CDN, and CSS centers the content on a clean white canvas.