app/views/devise/passwords/new.html.erb
<section class="reset-password">
<h2>Forgot your password?</h2>
<%= semantic_form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :post }) do |f| %>
<%= f.inputs do %>
<%= f.input :email, html: { autofocus: true } %>
<% end %>
<%= f.actions do %>
<%= f.action :submit, label: 'Send me reset instructions' %>
<% end %>
<% end %>
</section>