app/views/devise/confirmations/new.html.erb
<%= content_for :title, t('.title') %>
<% @small_content = true %>
<h1 class="h4 mb-4"><%= t(".resend_confirmation_instructions") %></h1>
<%= simple_form_for(resource, as: resource_name, url: confirmation_path(resource_name), html: { method: :post }) do |f| %>
<%= f.error_notification %>
<%= f.full_error :confirmation_token %>
<%= f.input :email,
required: true,
placeholder: User.human_attribute_name(:email),
autofocus: true,
label: false,
value: (resource.pending_reconfirmation? ? resource.unconfirmed_email : resource.email),
input_html: { autocomplete: "email" } %>
<%= f.button :submit, t(".resend_confirmation_instructions"), class: 'btn btn-primary' %>
<% end %>