anchor.diff:    <div class="form-group <%= 'error' if @telephone_appointment.errors.include?(:accept_terms_and_conditions) %>">
       <fieldset>
         <legend>
  -        Terms and conditions
  +        <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 %>
  
positive.code:   </div>
  
    <div class="form-group <%= 'error' if @telephone_appointment.errors.include?(:memorable_word) %>">
      <%= f.label :memorable_word, class: 'form-label' do %>
        Your memorable word
        <span class="form-hint">Our guidance specialist will repeat this word when they call so you know it’s us</span>
      <% end %>
      <% if @telephone_appointment.errors.include?(:memorable_word) %>
        <span class="error-message"><%= @telephone_appointment.errors[:memorable_word].to_sentence %></span>
      <% end %>
  
negative.code:   </div>
  
    <div class="form-group <%= 'error' if @telephone_appointment.errors.include?(:phone) %>">
      <%= f.label :phone, class: 'form-label-bold' do %>
        Phone number
        <span class="form-hint">The number you’d like us to call you on</span>
      <% end %>
  