diff --git a/package.json b/package.json
index cf44d5a4..5709fdf7 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "build": "npm run clean && npm-run-all -p sass js fonts:copy",
     "clean": "npm-run-all -p sass:clean fonts:clean js:clean",
     "dev": "npm run development",
-    "development": "npm run build && npm-run-all -p sass:watch js:watch",
+    "development": "cross-env ENV=dev npm run build && npm-run-all -p sass:watch js:watch",
     "fonts:clean": "rm -rf $npm_package_config_fontsDir output_*/assets/fonts/",
     "fonts:copy": "mkdir -p $npm_package_config_fontsDir && cp -R node_modules/font-awesome/fonts/* $npm_package_config_fontsDir",
     "js": "npm run js:concat",
@@ -20,24 +20,27 @@
     "js:concat": "mkdir -p $npm_package_config_jsOutputDir && concat node_modules/jquery/dist/jquery.js node_modules/bootstrap-sass/assets/javascripts/bootstrap.js node_modules/prismjs/prism.js node_modules/prismjs/components/prism-{apacheconf,bash,css,diff,ini,json,nginx,php,sass,scss,sql,less,twig,yaml}.js $npm_package_config_jsInputDir/**/*.js $npm_package_config_jsInputDir/main.js -o $npm_package_config_jsOutputDir$npm_package_config_jsOutputFile",
     "js:watch": "onchange $npm_package_config_jsInputDir -v -- npm run js",
     "prod": "npm run production",
-    "production": "npm run build && npm run sass:remove-maps",
-    "sass": "npm run sass:build && npm run sass:move",
-    "sass:build": "npm run sass:compile && npm run sass:concat",
+    "production": "cross-env ENV=prod npm run build",
+    "sass": "npm run sass:$ENV:compile && npm run sass:concat && npm run sass:$ENV:move",
     "sass:clean": "rm -rf $npm_package_config_cssOutputDir output_*/assets/css/",
-    "sass:compile": "node-sass assets/sass/main.sass $npm_package_config_cssOutputFile --source-map true",
     "sass:concat": "mkdir -p $npm_package_config_cssOutputDir && concat node_modules/font-awesome/css/font-awesome.css node_modules/prismjs/themes/prism-twilight.css $npm_package_config_cssOutputFile -o $npm_package_config_cssOutputFile",
-    "sass:move": "mv $npm_package_config_cssOutputFile $npm_package_config_cssOutputFile.map $npm_package_config_cssOutputDir",
-    "sass:remove-maps": "rm -f $npm_package_config_cssOutputDir/*.css.map",
+    "sass:dev:compile": "node-sass assets/sass/main.sass $npm_package_config_cssOutputFile --source-map true",
+    "sass:dev:move": "mv $npm_package_config_cssOutputFile $npm_package_config_cssOutputFile.map $npm_package_config_cssOutputDir",
+    "sass:prod:compile": "node-sass assets/sass/main.sass $npm_package_config_cssOutputFile",
+    "sass:prod:move": "mv $npm_package_config_cssOutputFile $npm_package_config_cssOutputDir && npm run sass:uglify",
+    "sass:uglify": "uglifycss --ugly-comments $npm_package_config_cssOutputDir/$npm_package_config_cssOutputFile --output $npm_package_config_cssOutputDir/$npm_package_config_cssOutputFile",
     "sass:watch": "onchange $npm_package_config_sassDir -v -- npm run sass"
   },
   "devDependencies": {
     "autoprefixer": "^7.1.2",
     "concat": "^1.0.3",
     "copy": "^0.3.0",
+    "cross-env": "^5.0.1",
     "node-sass": "^4.5.3",
     "npm-run-all": "^4.0.2",
     "onchange": "^3.2.1",
-    "purify-css": "^1.2.5"
+    "purify-css": "^1.2.5",
+    "uglifycss": "^0.0.27"
   },
   "dependencies": {
     "bootstrap-sass": "^3.3.7",
diff --git a/yarn.lock b/yarn.lock
index 2c372dd4..55eb8588 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -384,6 +384,13 @@ core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
+cross-env:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.0.1.tgz#ff4e72ea43b47da2486b43a7f2043b2609e44913"
+  dependencies:
+    cross-spawn "^5.1.0"
+    is-windows "^1.0.0"
+
 cross-spawn@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-3.0.1.tgz#1256037ecb9f0c5f79e3d6ef135e30770184b982"
@@ -398,7 +405,7 @@ cross-spawn@^4.0.0, cross-spawn@~4.0.0:
     lru-cache "^4.0.1"
     which "^1.2.9"
 
-cross-spawn@^5.0.1:
+cross-spawn@^5.0.1, cross-spawn@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
   dependencies:
@@ -1137,6 +1144,10 @@ is-windows@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-0.2.0.tgz#de1aa6d63ea29dd248737b69f1ff8b8002d2108c"
 
+is-windows@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.1.tgz#310db70f742d259a16a369202b51af84233310d9"
+
 isarray@~1.0.0, isarray@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
@@ -2261,6 +2272,10 @@ uglify-js@^3.0.6:
     commander "~2.9.0"
     source-map "~0.5.1"
 
+uglifycss:
+  version "0.0.27"
+  resolved "https://registry.yarnpkg.com/uglifycss/-/uglifycss-0.0.27.tgz#53553b8115de26dce57b42ba0b34e88dd80d0cde"
+
 uid-number@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/uid-number/-/uid-number-0.0.6.tgz#0ea10e8035e8eb5b8e4449f06da1c730663baa81"