app/views/devise/devise_authy/verify_authy.html.erb
<div class="devise_authy">
<h2>
<%= I18n.t('authy_register_title', scope: 'devise') %>
</h2>
<%= verify_authy_form do %>
<legend><%= I18n.t('submit_token_title', scope: 'devise') %></legend>
<%= label_tag :token %>
<%= text_field_tag :token, "", autocomplete: :off, id: 'authy-token' %>
<%= authy_request_sms_link %>
<br />
<%= submit_tag I18n.t('submit_token', scope: 'devise'), class: 'btn' %>
<label>
<%= check_box_tag :remember_device %>
<span><%= I18n.t('remember_device', scope: 'devise') %></span>
</label>
<% end %>
</div>