[v3] rename tailwind prefix nx- to _ to reduce bundle size (#2307)

Author: Dimitri POSTOLOV

.changeset/fuzzy-kids-flash.md

@@ -0,0 +1,7 @@
+---
+'nextra-theme-blog': major
+'nextra-theme-docs': major
+'nextra': major
+---
+
+rename tailwind prefix `nx-` to `_` to reduce bundle size

docs/pages/docs/index.mdx

@@ -42,7 +42,7 @@ export function FAQBox({ title, children }) {
       <summary>
         <strong className="text-lg">{title}</strong>
       </summary>
-      <div className="nx-p-2">{children}</div>
+      <div className="p-2">{children}</div>
     </details>
   )
 }