app/views/devise/sessions/new.html.erb
<h2><%= t('link_to.sign_in') %></h2>
<%= form_for(resource, as: resource_name, url: session_path(resource_name)) do |f| %>
<div class="field">
<%= f.label :email %><br />
<%= f.email_field :email, autofocus: true, autocomplete: "email" %>
</div>
<div class="field">
<%= f.label t('labels.password') %><br />
<%= f.password_field :password, autocomplete: "current-password" %>
</div>
<% if devise_mapping.rememberable? %>
<div class="field">
<%= f.check_box :remember_me %>
<%= f.label :remember_me %>
</div>
<% end %>
<div class="actions">
<%= f.submit t('link_to.sign_in'), id: 'btns' %>
</div>
<% end %>
<%= render "devise/shared/links" %>