Allow consecutive duplicate properties in SCSS.

Author: mmalerba

stylelint-config.json

@@ -28,7 +28,9 @@
 
     "property-case": "lower",
 
-    "declaration-block-no-duplicate-properties": true,
+    "declaration-block-no-duplicate-properties": [ true, {
+      "ignore": ["consecutive-duplicates"]
+    }],
     "declaration-block-no-ignored-properties": true,
     "declaration-block-trailing-semicolon": "always",
     "declaration-block-single-line-max-declarations": 1,