.container-sm
  %h1= t('devise.sessions.new.title')

  .strong
    = simple_form_for(resource, url: user_session_path, html: { role: 'form' }, wrapper_mappings: { boolean: :vertical_boolean }) do |f|
      = f.input :email, input_html: { class: 'input-lg' }, autofocus: true, hint: link_to(t('devise.sessions.new.hints.confirmation'), new_user_confirmation_path)
      = f.input :password, input_html: { class: 'input-lg' }, hint: link_to(t('devise.sessions.new.hints.password'), new_user_password_path)
      = f.input :remember_me, as: :boolean

      .form-actions
        %button.btn.btn-lg.btn-primary(type='submit')
          = t('devise.sessions.new.submit')

- provide :title, t('devise.sessions.new.title')

.container-sm
  %h1= t('devise.sessions.new.title')

  .strong
    = simple_form_for(resource, url: user_session_path, html: { role: 'form' }, wrapper_mappings: { boolean: :vertical_boolean }) do |f|
      = f.input :email, input_html: { class: 'input-lg' }, autofocus: true, hint: link_to(t('devise.sessions.new.hints.confirmation'), new_user_confirmation_path)
      = f.input :password, input_html: { class: 'input-lg' }, hint: link_to(t('devise.sessions.new.hints.password'), new_user_password_path)
      = f.input :remember_me, as: :boolean

      .form-actions
        %button.btn.btn-lg.btn-primary(type='submit')
          = t('devise.sessions.new.submit')

Customize title of sign in page
Customize title of sign in page
