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