User Sign-In
<%= simple_form_for resource, as: resource_name, url: session_path(resource_name), html: {class: 'form-vertical multiple_tags', role: 'form'} do |f| %> <%= f.error_notification %> <%= render 'shared/validation', object: f.object %>
<%= f.input_field :email, required: true, autofocus: true, :class => "form-control", :placeholder => "Email" %>
<%= f.input_field :password, required: true, :class => "form-control", :placeholder => "Password" %>
<%= f.input_field :remember_me, as: :boolean, inline_label: 'Remember me' if devise_mapping.rememberable? %>
<%= f.button :submit, "Sign-In", :class => "btn btn-primary" %>
<%= render "devise/shared/links" %>
<% end %>