discourse/app/assets/javascripts/admin/addon/templates/site-settings.hbs

<div class="admin-controls">

  <div class="controls">
    <div class="inline-form">
      <DButton @action={{action "toggleMenu"}} @class="menu-toggle" @icon="bars" />
      <TextField @id="setting-filter" @value={{this.filter}} @placeholderKey="type_to_filter" @class="no-blur" />
      <DButton @class="btn-default" @id="clear-filter" @action={{action "clearFilter"}} @label="admin.site_settings.clear_filter" />
    </div>
  </div>
  <div class="search controls">
    <label>
      <Input @type="checkbox" @checked={{this.onlyOverridden}} />
      {{i18n "admin.settings.show_overriden"}}
    </label>
  </div>
</div>

<div class="admin-nav pull-left">
  <ul class="nav nav-stacked">
    {{#each this.visibleSiteSettings as |category|}}
      <li class={{category.nameKey}}>
        <LinkTo @route="adminSiteSettingsCategory" @model={{category.nameKey}} class={{category.nameKey}}>
          {{category.name}}
          {{#if category.count}}<span class="count">({{category.count}})</span>{{/if}}
        </LinkTo>
      </li>
    {{/each}}
  </ul>
</div>

<div class="admin-detail pull-left mobile-closed">
  {{outlet}}
</div>

<div class="clearfix"></div>