# Step 2.2: UI Fabric Component Library [Lessons](../) | [Exercise](./exercise/) | [Demo](./demo/) UI Fabric is a Component Library that is developed to reflect the latest Microsoft design language. It is used in many Microsoft web applications and is developed in the open: https://github.com/officedev/office-ui-fabric-react Documentation can be found here: https://developer.microsoft.com/en-us/fabric/#/components ## Learn about Components and How to Look up Documentation - Stack - Default Button / Primary Button # Exercise 1. Open up the [Documentation for DefaultButton](https://developer.microsoft.com/en-us/fabric/#/components/button) 2. Open up the TSX files inside `components/` 3. Replace the DOM tags with Fabric components in those TSX files with these components: - Stack - DefaultButton - Checkbox - TextField - Pivot (for the filter) # Bonus Exercise GO WILD! There are so many components from the Fabric library! Try to put some components in the exercise component files.