app/views/devise/passwords/new.html.erb
<div class="panel-heading">
<h2 class="text-center">Forgot your password?</h2>
</div>
<div class="panel-body">
<%= form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :post }) do |f| %>
<%= devise_error_messages! %>
<div class="field">
<%= f.email_field :email, autofocus: true, class: 'form-control', placeholder: 'Email' %>
</div>
<div class="actions">
<%= f.submit "Send reset instructions", class: 'btn btn-primary btn-block' %>
</div>
<% end %>
<%= render "devise/shared/links" %>
</div>