app/views/admin/sessions/new.html.haml
%div{:class => "col-md-4"}
%h2 Log in
= simple_form_for(resource, as: resource_name, url: session_path(resource_name)) do |f|
.form-inputs
= f.error_notification
= f.input :email, required: false, autofocus: true, error: flash[:alert]
= f.input :password, required: false, error: flash[:alert]
= f.input :remember_me, as: :boolean if devise_mapping.rememberable?
.form-actions
= f.button :submit, "Log in", class: "btn btn-primary"
= render "admin/shared/links"