zulip/static/templates/settings/attachment-item.handlebars

<li class="attachment-item" data-attachment='{{attachment.id}}'>
    <div class="attachment-information-box list-container">
        <div class="file-icon">
            <div class="extension {{#if attachment.large_ext_name }}small{{/if}} {{#unless attachment.extension }}no-extension{{/unless}}">
                {{#if attachment.extension}}
                    {{ attachment.extension }}
                {{else}}
                    <i class="icon icon-vector-file"></i>
                {{/if}}
            </div>
        </div>
        <div class="information">
            <div class="attachment_listing">
                <strong>{{attachment.name}}</strong>
            </div>
            <div class="edit-attachment-buttons">
                <button type="submit"
                    class="button small no-style remove-attachment"
                    title="{{t 'Delete file' }}" data-attachment="{{attachment.id}}">
                    <i class="icon-vector-trash"></i>
                </button>
            </div>
          {{#if attachment.messages }}
            <div class="attachment-messages">
              {{#each attachment.messages}}
              <a class="ind-message" href="/#narrow/id/{{ this.id }}">
                  <div class="message-id">#{{ this.id }}</div>
                  <div class="message-date">{{ this.name }}</div>
              </a>
              {{/each}}
            </div>
          {{/if}}
        </div>
    </div>
</li>