Use map false

package.json

@@ -29,12 +29,12 @@
   },
   "scripts": {
     "build": "npm run build-clean && npm run build-sass && npm run build-autoprefix",
-    "build-autoprefix": "postcss --use autoprefixer --output css/bulma.css css/bulma.css",
+    "build-autoprefix": "postcss --use autoprefixer --map false --output css/bulma.css css/bulma.css",
     "build-clean": "rimraf css",
     "build-sass": "node-sass --output-style expanded --source-map true bulma.sass css/bulma.css",
     "deploy": "npm run build && npm run docs",
     "docs": "npm run docs-sass && npm run docs-autoprefix",
-    "docs-autoprefix": "postcss --use autoprefixer --output docs/css/bulma-docs.css docs/css/bulma-docs.css",
+    "docs-autoprefix": "postcss --use autoprefixer --map false --output docs/css/bulma-docs.css docs/css/bulma-docs.css",
     "docs-sass": "node-sass --output-style expanded docs/bulma-docs.sass docs/css/bulma-docs.css",
     "start": "npm run build-sass -- --watch",
     "start-docs": "npm run docs-sass -- --watch",