docs(guides/styling): add note about Tailwind warning (#6338)

Co-authored-by: Mark Dalgleish <mark.john.dalgleish@gmail.com>
Co-authored-by: Mehdi Achour <machour@gmail.com>
Co-authored-by: Michaël De Boey <info@michaeldeboey.be>

contributors.yml

@@ -96,6 +96,7 @@
 - coryhouse
 - craigglennie
 - crismali
+- CSFlorin
 - cysp
 - d4vsanchez
 - dabdine

docs/guides/styling.md

@@ -462,9 +462,9 @@ export const links: LinksFunction = () => [
 ];
 ```
 
-With this setup in place, you can also use [Tailwind's functions and directives][tailwind-functions-and-directives] anywhere in your CSS.
+With this setup in place, you can also use [Tailwind's functions and directives][tailwind-functions-and-directives] anywhere in your CSS. Note that Tailwind will warn that no utility classes were detected in your source files if you never used it before.
 
-Note that if you're also using Remix's [built-in PostCSS support][built-in-post-css-support], the Tailwind PostCSS plugin will be automatically included if it's missing, but you can also choose to manually include the Tailwind plugin in your PostCSS config instead if you'd prefer.
+If you're also using Remix's [built-in PostCSS support][built-in-post-css-support], the Tailwind PostCSS plugin will be automatically included if it's missing, but you can also choose to manually include the Tailwind plugin in your PostCSS config instead if you prefer.
 
 If you're using VS Code, it's recommended you install the [Tailwind IntelliSense extension][tailwind-intelli-sense-extension] for the best developer experience.