app/views/door_mat/change_password/new.html.erb
<h1>Change Password</h1>
<%= form_for(@change_password, url: change_password_path) do |f| %>
<%= render 'door_mat/helpers/errors_if_any', {object: @change_password} %>
<div class="field">
<%= f.label :old_password %><br>
<%= f.password_field :old_password %>
</div>
<div class="field">
<%= f.label :new_password %><br>
<%= f.password_field :new_password %>
</div>
<div class="field">
<%= f.label :new_password_confirmation %><br>
<%= f.password_field :new_password_confirmation %>
</div>
<div class="actions">
<%= f.submit t("door_mat.change_password.submit_button") %>
</div>
<% end %>