Fix errors from updates

postcss.config.cjs

@@ -4,6 +4,7 @@ const focusVisible = require('postcss-focus-visible')
 // const sortMediaQueries = require('postcss-sort-media-queries')
 const normalize = require('postcss-normalize')
 
+const dev = process.env.NODE_ENV !== 'development'
 
 module.exports = {
     plugins: [
@@ -24,7 +25,7 @@ module.exports = {
         normalize({}),
 
         // CSS Nano
-        !process.env.DEV && cssnano({
+        !dev && cssnano({
             preset: ['default', {
                 autoprefixer: true,
                 discardComments: { removeAll: true },