Merge pull request #252 from mozilla/fix-help

Update stylelint rules. Fixes #230

.stylelintrc

@@ -1,11 +1,15 @@
 {
+  "plugins": [
+    "stylelint-order"
+  ],
+
   "extends": "stylelint-config-standard",
 
   "ignoreFiles": ["webextension/css/*.min.css"],
 
   "rules": {
     "declaration-block-no-duplicate-properties": true,
-    "declaration-block-properties-order": "alphabetical",
+    "order/declaration-block-properties-alphabetical-order": true,
     "property-blacklist": [
       "/height/",
       "/width/",

package.json

@@ -15,8 +15,9 @@
     "htmllint-cli": "^0.0.5",
     "jpm": "^1.2.2",
     "npm-run-all": "^4.0.0",
-    "stylelint": "^7.7.1",
-    "stylelint-config-standard": "^15.0.1",
+    "stylelint": "^7.9.0",
+    "stylelint-config-standard": "^16.0.0",
+    "stylelint-order": "^0.3.0",
     "testpilot-metrics": "^2.1.0"
   },
   "engines": {