app/views/devise/passwords/new.html.erb
<br />
<div class="container">
<div class="row justify-content-md-center">
<div class="col-12 col-md-5">
<div class="card">
<div class="card-block">
<h2 class="card-title">Forgot your password?</h2>
<%= form_for(resource, as: resource_name, url: password_path(resource_name), html: { method: :post }) do |f| %>
<%= devise_error_messages! %>
<div class="field form-group">
<%= f.label :email %><br />
<%= f.email_field :email, class: 'form-control', autofocus: true %>
</div>
<div class="actions">
<%= f.submit "Send me reset password instructions", class: 'btn btn-primary btn-block' %>
</div>
<% end %>
<br />
<%= render "devise/shared/links" %>
</div>
</div>
</div>
</div>
</div>