anchor.diff:              label Description
               textarea
             .field
  -            label Admission Price
  +            label Admission Price (optional)
               .ui.labeled.input
                 .ui.label $
                 input(type="number")
  
positive.code:             .ui.checkbox
                input#repeat-checkbox(type="checkbox", name="repeat")
                label(for="repeat-checkbox") Repeat weekly
                  
                
        hr.ui.divider      
        
  
negative.code:             i.chevron.right.icon
          br
          div
            button.ui.button.green(ng-click="newSessionFormOpen = !newSessionFormOpen") Add class &nbsp;
              i(ng-class="newSessionFormOpen? 'down' : 'up'").chevron.icon
          
          form.ui.form.green.segment(ng-show="newSessionFormOpen")
            .field
                label Style
                select
  