app/views/devise/sessions/new.html.haml
.container
%br
.row
.col-md-10.col-offset-2
%h2 Sign in
.row
.col-md-6.sign-in-container
= simple_form_for(resource, :as => resource_name, :url => session_path(resource_name)) do |f|
.form-inputs
= f.input :email, :required => false, :autofocus => true
= f.input :password, :required => false
= f.input :remember_me, :as => :boolean, inline_label: 'Remember me', label: false if devise_mapping.rememberable?
= f.button :submit, "Sign in", class: 'btn btn-primary'
%br
= render "devise/shared/links"
.col-md-4.social-sign-in-container
%p
Doesn't have an account?
= link_to 'Register', new_user_registration_path