anchor.diff:                #add-city
                   a(href='/login') Change City
                 
  -        .col-xs-6.col-sm-12
  +        .col-xs-4.col-sm-12
             .list-nav
               .list-item
                 a(href='#', data-cat="sort", data-filter="date", class="active") Latest
  
positive.code:   .col-xs-12.col-sm-2
      #filters
        .row
          .col-xs-6.col-sm-12
            #city-list.list-nav
              .list-item
                a(href='#', data-cat="gid", data-filter="all", class="active") Anywhere
  
negative.code:               a(href='#', data-cat="sort", data-filter="popular") Popular
              .list-item
                a(href='#', data-cat="sort", data-filter="new") Newly Added
          .col-xs-4.col-sm-12
            .list-nav
              .list-item
                a(href='#', data-cat="when", data-filter="future", class="active") Future
  