iiirc/iiirc

article.snippet.wrapper
  hgroup.container
    h2.title
      | Transitted to #{link_to @uri, @uri, id: 'transition'} in
      span#remaining-time 12
      | seconds
  .container
    - 39.times do |n|
      = image_tag "transition/#{n + 1}.gif", alt: 'loading...'
  article