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