app/views/devise/registrations/new.html.erb
<h2><%= t('link_to.sign_up') %></h2>
<%= form_for(resource, as: resource_name, url: registration_path(resource_name)) do |f| %>
<%= render "devise/shared/error_messages", resource: resource %>
<div class="field">
<%= f.label t('labels.firstname') %><br />
<%= f.text_field :firstname, autofocus: true, autocomplete: "firstname" %>
</div>
<div class="field">
<%= f.label t('labels.lastname') %><br />
<%= f.text_field :lastname, autofocus: true, autocomplete: "lastname" %>
</div>
<div class="field">
<%= f.label :email %><br />
<%= f.email_field :email, autofocus: true, autocomplete: "email" %>
</div>
<div class="field">
<%= f.label t('labels.password') %>
<% if @minimum_password_length %>
<em>(<%= @minimum_password_length %><%= t('labels.minimum_characters') %></em>
<% end %><br />
<%= f.password_field :password, autocomplete: "new-password" %>
</div>
<div class="field">
<%= f.label t('labels.password_confirmation') %><br />
<%= f.password_field :password_confirmation, autocomplete: "new-password" %>
</div>
<div class="field">
<%= f.hidden_field :userable_type, value: 'Member' %>
</div>
<div class="field">
<%= f.hidden_field :userable_id %>
</div>
<div class="actions">
<%= f.submit t('link_to.sign_up'), id: 'btns' %>
</div>
<% end %>
<%= render "devise/shared/links" %>