zulip/templates/zerver/archive/single_message.html

<div class="message_row {% if include_sender %} include-sender {% endif %}">
    <div class="messagebox">
  <div class="messagebox-border">
<div class="messagebox-content">
    <div class="message_top_line">
      <span class="message_sender{% if status_message %} sender_info_hover{% endif %} no-select">
          {% if include_sender %}
          <div class="inline_profile_picture">
              <img src={{ avatar_url }} alt="" class="no-drag"/>
          </div>
              {% if status_message %}
                  <span class="sender-status">
                      <span class="sender_name-in-status">{{ sender_full_name }}</span>
                      {% if sender_is_bot %}
                      <i class="zulip-icon bot" aria-hidden="true"></i>
                      {% endif %}
                      <span class="status-message">
                          {{ status_message }}
                      </span>
                  </span>
              {% else %}
                  <span class="sender_name auto-select">{{ sender_full_name }}</span>
                  {% if sender_is_bot %}
                  <i class="zulip-icon bot" aria-hidden="true"></i>
                  {% endif %}
              {% endif %}
          {% endif %}
      </span>
        <span class="message_time{% if status_message %} status-time{% endif %}">{{ timestampstr }}</span>
    </div>
    {% if not status_message %}
      <div class="message_content">{{ message_content|safe }}</div>
    {% endif %}

</div>
</div>
</div>
</div>