Final fixes before publication

Author: benatespina

example/css/app.css

@@ -4,26 +4,6 @@
   margin-left: auto;
   margin-right: auto; }
 
-* {
-  box-sizing: border-box; }
-
-body {
-  font-family: 'Raleway', sans-serif; }
-
-h1 {
-  text-align: center; }
-
-.row {
-  margin-bottom: 15px; }
-
-.row__column {
-  background: #ddd;
-  border-left: 1px solid #eee;
-  border-right: 1px solid #eee;
-  height: 40px;
-  line-height: 40px;
-  text-align: center; }
-
 @media only screen {
   .row {
     max-width: 696px; } }

package.json

@@ -11,7 +11,7 @@
   ],
   "scripts": {
     "prebuild": "rimraf example/css",
-    "build": "node_modules/.bin/gulp example-css"
+    "build": "yarn run prebuild && node_modules/.bin/gulp example-css"
   },
   "devDependencies": {
     "gulp": "^3.9.0",