anchor.diff:  
     <div class="field">
       <%= f.label :password %> <i>(leave blank if you don't want to change it)</i><br />
  -    <%= f.password_field :password, autocomplete: "off" %>
  +    <%= f.password_field :password, autocomplete: "off", class: 'form-control' %>
       <% if @minimum_password_length %>
         <br />
         <em><%= @minimum_password_length %> characters minimum</em>
  
positive.code: <h2>Edit <%= resource_name.to_s.humanize %></h2>
  
  <%= form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put }) do |f| %>
    <%= devise_error_messages! %>
  
    <div class="field">
      <%= f.label :email %><br />
      <%= f.email_field :email, autofocus: true %>
    </div>
  
    <% if devise_mapping.confirmable? && resource.pending_reconfirmation? %>
  
negative.code: 
    <div class="field">
      <%= f.label :password_confirmation %><br />
      <%= f.password_field :password_confirmation, autocomplete: "off", class: 'form-control' %>
    </div>
  
    <div class="field">
      <%= f.label :current_password %> <i>(we need your current password to confirm your changes)</i><br />
      <%= f.password_field :current_password, autocomplete: "off", class: 'form-control' %>
    </div>
    <br>
    <div class="actions">
      <%= f.submit "Update", class: "btn btn-primary" %>
    </div>
  <% end %>
  
  <h3>Cancel my account</h3>
  
  <p>Unhappy? <%= button_to "Cancel my account", registration_path(resource_name), data: { confirm: "Are you sure?" }, method: :delete , :class => 'btn btn-danger'%></p>
  </div>
  <%= link_to "Back", :back %>
  