app/views/layouts/devise/sessions.html.erb
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<%= @locale.to_s -%>" lang="<%= @locale.to_s -%>">
<head>
<meta charset="UTF-8" />
<title>Next-L Enju Leaf</title>
<%= render 'page/include' %>
</head>
<body>
<%= render 'page/header' %>
<div id="content">
<%= yield %>
</div>
<%= render 'page/footer' %>
</body>
</html>