bold the readme "important" sections

README.md

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 This project provides a library with a few ready to use React components (`<Map />`, `<Scene />`, `<WebMap />`, and `<WebScene />`) to get you started using the [ArcGIS API for JavaScript](https://developers.arcgis.com/javascript/) in your React application. These components use [esri-loader](https://github.com/Esri/esri-loader) under the hood to lazy-load the ArcGIS API modules.
 
-> **IMPORTANT:** You do **not** need `react-arcgis` to use the ArcGIS API in your React application. If the above generic components do not suit your needs you can very easily [create your own React components that load the ArcGIS API for JavaScript](https://developers.arcgis.com/javascript/latest/guide/react) using [esri-loader](https://developers.arcgis.com/javascript/latest/guide/esri-loader). Alternatively, you could get started with the components in this library and then [add your own components](#creating-your-own-components) as needed.
+**_IMPORTANT_: You do _not_ need `react-arcgis` to use the ArcGIS API in your React application. If the above generic components do not suit your needs you can very easily [create your own React components that load the ArcGIS API for JavaScript](https://developers.arcgis.com/javascript/latest/guide/react) using [esri-loader](https://developers.arcgis.com/javascript/latest/guide/esri-loader). Alternatively, you could get started with the components in this library and then [add your own components](#creating-your-own-components) as needed.**
 
 ## Installation
 
@@ -21,7 +21,7 @@ This project provides a library with a few ready to use React components (`<Map
 
 ## Basic Usage
 
-> **IMPORTANT:** You _must_ load ArcGIS API styles before using the components in this library. The snippets below assume you've already used one of [the ways that `esri-loader` provides you with to load the ArcGIS API CSS](https://github.com/Esri/esri-loader#loading-styles).
+**_IMPORTANT:_ You _must_ load ArcGIS API styles before using the components in this library. The snippets below assume you've already used one of [the ways that `esri-loader` provides you with to load the ArcGIS API CSS](https://github.com/Esri/esri-loader#loading-styles).**
 
 Render a simple map in React: