Its a layout in haml

layout in haml

%meta{"charset" => "utf-8"}
%title
  = title
%meta{"content" => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}
%meta{"content" => "width=device-width, initial-scale=1.0, maximum-scale=1", "name" => "viewport"}
= raw meta_data_tags
= canonical_tag current_store.url
= favicon_link_tag image_path('favicon.ico')
= stylesheet_link_tag 'spree/frontend/all', media: 'screen'
= csrf_meta_tags
= javascript_include_tag 'spree/frontend/all'
%script{src: "//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/js/bootstrap.min.js"}
/ [if lt IE 9]
/   <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.6/html5shiv.min.js"></script>
/ [endif]
= yield :head