upgrade to tailwindcss v3

Author: philipptrenz

package.json

@@ -11,15 +11,16 @@
     "build": "NODE_ENV=production gulp postcss"
   },
   "dependencies": {
-    "autoprefixer": "^10.2.6",
+    "autoprefixer": "^10.4.2",
     "browser-sync": "^2.27.4",
     "cross-env": "^7.0.3",
     "cssnano": "^5.0.6",
     "gulp": "^4.0.2",
     "gulp-connect-php": "^1.0.3",
     "gulp-postcss": "^9.0.0",
+    "postcss": "^8.4.6",
     "postcss-cli": "^8.3.1",
     "postcss-nesting": "^8.0.1",
-    "tailwindcss": "^2.2.4"
+    "tailwindcss": "^3.0.23"
   }
 }

tailwind.config.js

@@ -5,11 +5,8 @@ module.exports = {
     extend: { },
   },
   plugins: [ ],
-  purge: {
-    enabled: process.env.NODE_ENV === 'production',
-    content: [
-        './site/**/*.php',
-        './site/tailwind/*.css',
-    ],
-  },
+  content: [
+    './site/**/*.php',
+    './site/tailwind/*.css',
+  ],
 }