anchor.diff:                    span.icon-bar
                     span.icon-bar
                 div.navbar-collapse.collapse
  -                ul.nav.navbar-nav
  +                ul.nav.navbar-nav.nav-transparent
                     li.active
                       a(href="#calendar") #{ __('Calendar') }
                     li
  
positive.code: //-
  
  extends layout/city
  
  block content
  
  
negative.code:         div.jumbotron.text-center.city-image-wrapper
            img(src="/assets/header-city.png").city-image
            div.city-image-gradient
            //- mixin navbarFixed
            div.navbar.navbar-transparent
              div.container
                div.navbar-header
  