Improve layer colors

package.json

@@ -33,6 +33,15 @@
     "rebass": "^0.3.1",
     "sass-loader": "^4.0.1"
   },
+  "babel": {
+    "presets": [
+      "es2015",
+      "react"
+    ],
+    "plugins": [
+      "transform-object-rest-spread"
+    ]
+  },
   "jshintConfig": {
     "esversion": 6
   },
@@ -49,6 +58,8 @@
       "ecmaVersion": 6,
       "sourceType": "module",
       "ecmaFeatures": {
+        "impliedStrict": true,
+        "experimentalObjectRestSpread": true,
         "jsx": true
       }
     },
@@ -61,11 +72,14 @@
     "babel-loader": "6.2.4",
     "babel-plugin-transform-class-properties": "^6.11.5",
     "babel-plugin-transform-decorators-legacy": "^1.3.4",
+    "babel-plugin-transform-object-rest-spread": "^6.8.0",
     "babel-plugin-transform-runtime": "^6.15.0",
     "babel-preset-es2015": "6.14.0",
     "babel-preset-react": "6.11.1",
     "babel-runtime": "^6.11.6",
     "css-loader": "0.25.0",
+    "eslint": "^3.4.0",
+    "eslint-plugin-react": "^6.2.0",
     "extract-text-webpack-plugin": "^1.0.1",
     "file-loader": "0.9.0",
     "html-webpack-plugin": "^2.22.0",