anchor.diff:    </div>
   
     <div class="form-group <%= 'error' if @telephone_appointment.errors.include?(:last_name) %>">
  -    <%= f.label :last_name, class: 'form-label' %>
  +    <%= f.label :last_name, class: 'form-label-bold' %>
       <% if @telephone_appointment.errors.include?(:last_name) %>
         <span class="error-message"><%= @telephone_appointment.errors[:last_name].to_sentence %></span>
       <% end %>
  
positive.code:   </div>
  
    <div class="form-group <%= 'error' if @telephone_appointment.errors.include?(:phone) %>">
      <%= f.label :phone, class: 'form-label' do %>
        Phone number
        <span class="form-hint">The number you’d like us to call you on</span>
      <% end %>
  
negative.code:   <div class="form-group <%= 'error' if @telephone_appointment.errors.include?(:accept_terms_and_conditions) %>">
      <fieldset>
        <legend>
          <span class="visually-hidden">Terms and conditions</span>
          <% if @telephone_appointment.errors.include?(:opt_in) %>
            <span class="error-message"><%= @telephone_appointment.errors[:opt_in].to_sentence %></span>
          <% end %>
  