# Step 2.2 - UI Fabric component library (Exercise) [Lessons](../../) | [Demo](../demo/) # Exercise 1: Getting familiar with the Fabric documentation site: Open the [documentation for DefaultButton](https://developer.microsoft.com/en-us/fabric/#/components/button). Use the sidebar to explore other available components. # Exercise 2: "Fabric"ize the TodoFooter.tsx If you don't already have the app running, start it by running `npm start` from the root of the `frontend-bootcamp` folder. Click the "exercise" link under day 2 step 2 to see results. 1. Open TSX file inside `exercise/src/components/TodoFooter.tsx` 2. Follow the top TODO comment to import Stack, Text and DefaultButton components from Fabric 3. Follow the TODO comment to: - replace `