app/views/auth/users/new.html.erb
<div class='row'>
<div class='col-md-4 col-md-offset-4'>
<h2>Registration</h2>
<%= form_for [:auth, @user] do |f| %>
<% if @user.errors.any? %>
<div class='alert alert-danger'>
<h3><%= pluralize(@user.errors.count, 'error') %> stopped this form from saving.</h3>
<ul>
<% @user.errors.full_messages.each do |message| %>
<li><%= message %></li>
<% end %>
</ul>
</div>
<% end %>
<div class='form-group'>
<%= f.label :email %>
<%= f.text_field :email, class: 'form-control' %>
</div>
<div class='form-group'>
<%= f.label :password %>
<%= f.password_field :password, class: 'form-control' %>
</div>
<div class='form-group'>
<%= f.label :password_confirmation %>
<%= f.password_field :password_confirmation, class: 'form-control' %>
</div>
<div class='actions'>
<%= f.submit "Finish", class: 'btn btn-success btn-block' %>
</div>
<% end %>
</div>
</div>