anchor.diff:  
             .Fieldset
               label.Label
  -              | Subscribe to newsletter?
  +              | Subscribe to our newsletter with monthly updates on new features and Are.na news:
   
               .Select.Select--fill
                 select(name='receive_newsletter')
  
positive.code: 
            .Fieldset
              label.Label
                | Receive our periodic tips emails?
  
              .Select.Select--fill
                select(name='receive_tips_emails')
  
negative.code: 
            .Fieldset
              label.Label
                | Notification email type:
  
              .Select.Select--fill
                select(name='receive_email')
  