views/login.haml
%form{ action: '/login', method: 'post'}
#login_form
%h3 Login
.item
%label{ for: :login_email } Email
%input{ id: :login_email, type: :text, name: :email, autofocus: true }
.item
%label{ for: :login_password } Password
%input{ id: :login_password, type: :password, name: :password }
.item
%label{ for: :login_submit }
%input{ id: :login_submit, type: :submit, name: :Login }