Merge pull request #145 from teiler/revert-136-greenkeeper/normalize.css-8.0.0

Revert "Update normalize.css to the latest version 🚀"

Author: thde

package.json

@@ -25,7 +25,7 @@
     "core-js": "^2.4.1",
     "foundation-sites": "^6.3.1",
     "global": "^4.3.2",
-    "normalize.css": "^8.0.0",
+    "normalize.css": "^7.0.0",
     "rxjs": "^5.4.0",
     "zone.js": "^0.8.12"
   },