Add autoprefixer

.postcssrc

@@ -0,0 +1,5 @@
+{
+    "plugins": {
+        "autoprefixer": {}
+    }
+}

package.json

@@ -16,23 +16,25 @@
         "lint": "eslint ./src"
     },
     "devDependencies": {
-        "@babel/core": "^7.5.4",
-        "@babel/plugin-proposal-class-properties": "^7.5.0",
-        "@babel/plugin-proposal-object-rest-spread": "^7.5.4",
-        "@babel/preset-env": "^7.5.4",
+        "@babel/core": "^7.5.5",
+        "@babel/plugin-proposal-class-properties": "^7.5.5",
+        "@babel/plugin-proposal-object-rest-spread": "^7.5.5",
+        "@babel/preset-env": "^7.5.5",
+        "autoprefixer": "^9.6.1",
         "babel-eslint": "^10.0.2",
         "babel-loader": "^8.0.6",
-        "css-loader": "^3.0.0",
-        "eslint": "^6.0.1",
+        "css-loader": "^3.2.0",
+        "eslint": "^6.1.0",
         "eslint-loader": "^2.2.1",
-        "mini-css-extract-plugin": "^0.7.0",
+        "mini-css-extract-plugin": "^0.8.0",
         "node-sass": "^4.12.0",
         "optimize-css-assets-webpack-plugin": "^5.0.3",
-        "sass-loader": "^7.1.0",
-        "webpack": "^4.35.3",
+        "postcss-loader": "^3.0.0",
+        "sass-loader": "^7.2.0",
+        "webpack": "^4.39.1",
         "webpack-cleanup-plugin": "^0.5.1",
         "webpack-cli": "^3.3.6",
-        "webpack-dev-server": "^3.7.2",
+        "webpack-dev-server": "^3.8.0",
         "webpack-fix-style-only-entries": "^0.3.0"
     },
     "homepage": "https://github.com/Simonwep/pickr#readme",

scripts/build.js

@@ -32,6 +32,7 @@ const path = require('path');
                     use: [
                         MiniCssExtractPlugin.loader,
                         'css-loader',
+                        'postcss-loader',
                         'sass-loader'
                     ]
                 }