= registration_step_header
= row do
  = columns(medium: 12) do
    = save_registration_step do
      .registration-step-options
        .options
          - [:yes, :no].each do |option|
            - class_name = [:unstyled]
            - class_name << :selected if @is_attending == (option == :yes)
            = button option, value: option, class: class_name