zulip/web/templates/settings/admin_playground_list.hbs

{{#with playground}}
<tr class="playground_row">
    <td>
        <span class="playground_pygments_language">{{pygments_language}}</span>
    </td>
    <td>
        <span class="playground_name">{{playground_name}}</span>
    </td>
    <td>
        <span class="playground_url_prefix">{{url_prefix}}</span>
    </td>
    {{#if ../can_modify}}
    <td class="no-select actions">
        <button class="button small delete btn-danger tippy-zulip-tooltip" data-playground-id="{{id}}" data-tippy-content="{{t 'Delete' }} {{ playground_name }}" aria-label="{{t 'Delete' }} {{ playground_name }}">
            <i class="fa fa-trash-o"></i>
        </button>
    </td>
    {{/if}}
</tr>
{{/with}}