Make things configurable; so you can add Tailwind if you really feel …

…the need, in a config file that it outside of Bedrock core

core/tasks/postcss.js

@@ -2,20 +2,18 @@ const gulp = require('gulp');
 const postcss = require('gulp-postcss');
 
 // Plugins
-const autoprefixer = require('autoprefixer');
-const atImport = require("postcss-import");
 
 const paths = require('../paths');
-const config = require('../../bedrock.config');
+const bedrockConfig = require('../../bedrock.config');
+const postCSSPluginConfig = require('../../postcss.config');
+
 const { content } = require('../paths');
 
 module.exports = function () {
 
-  var plugins = [ atImport, autoprefixer ];
-
-  if (config.cssCompiler == 'postcss') {
+  if (bedrockConfig.cssCompiler == 'postcss') {
     return gulp.src(paths.content.postcss.allMainFiles)
-        .pipe(postcss(plugins))
+        .pipe(postcss(postCSSPluginConfig))
         .on('error', (err) => console.error(err))
         .pipe(gulp.dest(paths.compiled.css));
   } else {

postcss.config.js

@@ -0,0 +1,4 @@
+const atImport = require('postcss-import');
+const autoprefixer = require('autoprefixer');
+
+module.exports = [atImport, autoprefixer];