app/views/devise/confirmations/new.html.erb
<h2><%= t('.resend_confirmation_instructions', default: 'Resend confirmation instructions') %></h2>
<%= simple_form_for(resource, as: resource_name, url: confirmation_path(resource_name), html: { method: :post }) do |f| %>
<%= f.error_notification class: 'alert alert-danger' %>
<div class="form-inputs">
<%= f.input :email, autofocus: true, autocomplete: 'off', required: true %>
</div>
<div class="form-actions">
<%= f.button :submit, t('.resend_confirmation_instructions', default: 'Resend confirmation instructions'), class: 'btn btn-primary' %>
</div>
<% end %>
<%= render 'devise/shared/links' %>