<%= form_for(resource, :as => resource_name, :url => session_path(resource_name)) do |f| %>

<%= f.label :email ,:class=>"sr-only"%>
<%= f.email_field :email, :autofocus => true,:class=>"form-control",:placeholder=>"Email Address" %>

<%= f.label :password,:class=>"sr-only" %>
<%= f.password_field :password,:class=>"form-control",:placeholder=>"Password" %>

<% if devise_mapping.rememberable? -%>

<%= f.check_box :remember_me %> <%= f.label :remember_me %>

<% end -%>

<%= f.submit "Sign in" ,:class=>"btn btn-lg btn-primary btn-block" %>

<% end %>

<%= render "devise/shared/links" %>