app/views/devise/sessions/new.html.erb
<div class="page-header">
<h1><%= t('.sign_in', :default => "Sign in") %></h1>
</div>
<%= form_for(resource, :as => resource_name, :url => session_path(resource_name), :html => { :class => "form-inline" }) do |f| %>
<div class="row margin-left-none">
<div class="form-table col-md-9">
<div class="form-row">
<div class="field-container">
<%= f.label :email, class: 'control-label' %>
<%= f.email_field :email, :autofocus => true, tabindex: 1, class: 'text-field form-control' %>
</div>
<div class="help-container">
<p>
<%= t('.same_email') %>
</p>
</div>
</div>
<div class="form-row">
<div class="field-container">
<%= f.label :password, class: 'control-label' %>
<%= f.password_field :password, class: 'text-field form-control', tabindex: 2 %>
</div>
<div class="help-container">
<p>
<%= t('.forgot_password_link_html', link: link_to("link", "/users/password/new")) %>
</p>
</div>
</div>
<% if devise_mapping.rememberable? -%>
<div class="form-row">
<div class="field-container">
<label>
<%= f.check_box :remember_me, class: "checkbox" %> <%= f.label :remember_me %>
</label>
</div>
<div class="help-container">
<p>
<%= t('.stay_logged_in')%>
</p>
</div>
</div>
<% end -%>
</div>
</div>
<div class="row margin-left-none" style="margin-top: 20px">
<%= f.submit t('.sign_in', :default => "Sign in"), class: 'btn btn-primary', :tabindex => 3 %>
<%= render "devise/shared/links" %>
</div>
<% end %>