Remove variable purging from purgecss

postcss.config.js

@@ -1,5 +1,7 @@
 // postcss.config.js
 import { purgeCSSPlugin } from '@fullhuman/postcss-purgecss'
+import glob from 'glob-all'
+import path from 'path'
 import postcssApply from 'postcss-apply'
 import postcssEasing from 'postcss-easings'
 import postcssImport from 'postcss-import'
@@ -25,15 +27,13 @@ const plugins = [
 ]
 
 if (process.env.NODE_ENV === 'production') {
-  console.log('Adding PurgeCSS')
   plugins.push(
     purgeCSSPlugin({
-      content: [
-        './src/**/*.{html,js,jsx,ts,tsx,css}',
-        './content/**/*.{md,mdx}',
-      ],
+      content: glob.sync([
+        path.join(process.cwd(), 'src/**/*.{js,jsx,ts,tsx}'),
+        path.join(process.cwd(), 'content/**/*.{md,mdx}'),
+      ]),
       safelist: ['html', 'body'],
-      variables: true,
     })
   )
 }