fix(build): webpack css-loader is removing prefixes
fix(build): webpack css-loader is removing prefixes

- resolves #56

r-park/todo-angular-firebase,marasco/startupmanager,r-park/todo-angular-firebase,marasco/startupmanager,r-park/todo-angular2-firebase,r-park/todo-angular2-firebase,r-park/todo-angular-firebase,marasco/startupmanager,r-park/todo-angular2-firebase,marasco/startupmanager