app/views/users/created.html.erb
<div id="user-created" class="user-created modal"
data-components="modal"
data-modal-options="<%= {:autoload => true, :prevent_close => true }.to_json %>" >
<header>
<h1><%= t 'users.signup' %></h1>
</header>
<section>
<%= image_tag 'imgs/spock-email.png', :alt => 'e-mail', :class => 'spock-email' %>
<div class="text">
<h2><%= t 'users.created.title' %></h2>
<p><%= t 'users.created.text' %></p>
</div>
</section>
</div>