pleroma/lib/pleroma/web/templates/frontend/static/conversation.html.eex

<header>
  <h1><%= link instance_name(), to: "/" %></h1>
</header>

<main>
  <div class="conversation">
    <%= for activity <- @activities do %>
      <%= render("_notice.html", activity) %>
    <% end %>
  </div>
</main>