Upgrade PostCSS to 7.0.2

Aaron Ballard · jonathantneal · commit f795800292c0 · 2018-08-15T17:53:46.000-04:00
diff --git a/package.json b/package.json
@@ -24,7 +24,7 @@
     "node": ">=4.0.0"
   },
   "dependencies": {
-    "postcss": "^6.0.22"
+    "postcss": "^7.0.2"
   },
   "devDependencies": {
     "babel-core": "^6.26.3",
