%h4{style:'margin-left:15px;'}
  = champ.libelle
  - if champ.mandatory?
    = '*'
  %input{type: 'hidden', name:"champs['#{champ.id}']", id: "champs_#{champ.id}", value: ''}
  %input{type: 'checkbox', style:'margin-left: 15px;', name:"champs['#{champ.id}']", id: "champs_#{champ.id}", checked: ('checked' if champ.value == 'on')}