website/templates/admonition.html.erb

<aside <%= @id && %( id="#{@id}") %> class="<%= ['admonitionblock',(attr :name),role].compact * ' ' %>" data-admonition-type="<%= attr :name %>">
  <svg class="icon">
    <use href="<%= icon_uri(attr :name) %>#<%= attr :name %>" alt="<%= @caption %>"></use>
  </svg>
  <div class="content">
    <% if title? %><div class="title"><%= title %></div><% end %>
    <%= content %>
  </div>
</aside>