text: $(function () {
      $('#sign_in').validate({
          highlight: function (input) {
              //console.log(input);
              $(input).parents('.form-line').addClass('error');
          },
          unhighlight: function (input) {
              $(input).parents('.form-line').removeClass('error');
          },
          errorPlacement: function (error, element) {
              $(element).parents('.input-group').append(error);
          }
      });
  });