huginn/app/views/devise/passwords/edit.html.erb

<div class='container'>
  <div class='row'>
    <div class='span8 offset2'>
      <div class='well'>
        <h2>Change your password</h2>

        <%= form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :put, class: 'form-horizontal' }) do |f| %>
          <%= devise_error_messages! %>
          <%= f.hidden_field :reset_password_token %>

          <div class="control-group">
            <%= f.label :password, "New password", class: 'control-label' %>
            <div class="controls">
              <%= f.password_field :password, autofocus: true, autocomplete: "off", class: 'span4' %>
            </div>
          </div>

          <div class="control-group">
            <%= f.label :password_confirmation, "Confirm new password" %>
            <div class="controls">
              <%= f.password_field :password_confirmation, autocomplete: "off", class: 'span4' %>
            </div>
          </div>

          <div class='form-actions'>
            <%= f.submit "Change my password", class: "btn btn-primary" %>
          </div>
        <% end %>

        <%= render "devise/shared/links" %>
      </div>
    </div>
  </div>
</div>