Miscellaneous edits

content/en/functions/css/PostCSS.md

@@ -6,10 +6,8 @@ keywords: []
 action:
   aliases: [postCSS]
   related:
-    - functions/resources/Fingerprint
-    - functions/resources/Minify
-    - functions/resources/PostProcess
     - functions/css/Sass
+    - functions/css/TailwindCSS
   returnType: resource.Resource
   signatures: ['css.PostCSS [OPTIONS] RESOURCE']
 toc: true
@@ -128,4 +126,4 @@ module.exports = {
 [node.js]: https://nodejs.org/en/download
 [postcss plugins]: https://www.postcss.parts/
 [supported file name]: https://github.com/postcss/postcss-load-config#usage
-[transpile to CSS]: /functions/resources/tocss.md
+[transpile to CSS]: /functions/css/sass/