mobile-nixos/doc/_support/news_article.erb

<article>
  <header class="<%= [
    if image
      "with-image"
    else
      "without-image"
    end
  ].compact.join(" ") %>" style="<%= [
    if image then "background-image: url('#{image}')" end,
    header_styles,
  ].compact.join(";") %>">
    <div class="details">
      <h3><a href="<%= url %>"><%= title %></a></h3>
      <% if date %><div class="date"><%= date %></div><% end %>
    </div>
  </header>

  <div class="contents">
  <%= contents %>
  </div>
</article>