discourse/app/assets/javascripts/admin/templates/customize_css_html.hbs

<div class='content-list span6'>
  <h3>{{i18n admin.customize.css_html.long_title}}</h3>
  <ul>
    {{#each model}}
    <li><a {{action "selectStyle" this}} {{bind-attr class="this.selected:active"}}>{{this.description}}</a></li>
    {{/each}}
  </ul>
  <button {{action "newCustomization"}} class='btn'><i class="fa fa-plus"></i>{{i18n admin.customize.new}}</button>
</div>


{{#if selectedItem}}
<div class='current-style'>
  {{#with selectedItem}}
    {{text-field class="style-name" value=name}}

    <div class='admin-controls'>
      <ul class="nav nav-pills">
        <li>
          <a {{bind-attr class="view.stylesheetActive:active"}}{{action "selectStylesheet" href="true" target="view"}}>{{i18n admin.customize.css}}</a>
        </li>
        <li>
          <a {{bind-attr class="view.headerActive:active"}}{{action "selectHeader" href="true" target="view"}}>{{i18n admin.customize.header}}</a>
        </li>
        <li>
          <a {{bind-attr class="view.mobileStylesheetActive:active"}}{{action "selectMobileStylesheet" href="true" target="view"}}>{{i18n admin.customize.mobile_css}}</a>
        </li>
        <li>
          <a {{bind-attr class="view.mobileHeaderActive:active"}}{{action "selectMobileHeader" href="true" target="view"}}>{{i18n admin.customize.mobile_header}}</a>
        </li>
      </ul>
    </div>

    <div class="admin-container">
      {{#if view.headerActive}}
        {{aceEditor content=header mode="html"}}
      {{/if}}
      {{#if view.stylesheetActive}}
        {{aceEditor content=stylesheet mode="scss"}}
      {{/if}}
      {{#if view.mobileHeaderActive}}
        {{aceEditor content=mobile_header mode="html"}}
      {{/if}}
      {{#if view.mobileStylesheetActive}}
        {{aceEditor content=mobile_stylesheet mode="scss"}}
      {{/if}}
    </div>
  {{/with}}
  <br>
  <div class='status-actions'>
    <span>{{i18n admin.customize.override_default}} {{view Ember.Checkbox checkedBinding="selectedItem.override_default_style"}}</span>
    <span>{{i18n admin.customize.enabled}}  {{view Ember.Checkbox checkedBinding="selectedItem.enabled"}}</span>
    {{#unless selectedItem.changed}}
    <a class='preview-link' {{bind-attr href="selectedItem.previewUrl"}} target='_blank' title="{{i18n admin.customize.explain_preview}}">{{i18n admin.customize.preview}}</a>
    |
    <a href="/?preview-style=" target='_blank' title="{{i18n admin.customize.explain_undo_preview}}">{{i18n admin.customize.undo_preview}}</a>
    |
    <a href="/?preview-style=default" target='_blank' title="{{i18n admin.customize.explain_rescue_preview}}">{{i18n admin.customize.rescue_preview}}</a><br>
    {{/unless}}
  </div>

  <div class='buttons'>
    <button {{action "save"}} {{bind-attr disabled="selectedItem.disableSave"}} class='btn'>{{i18n admin.customize.save}}</button>
    <span class='saving'>{{selectedItem.savingStatus}}</span>
    <a {{action "destroy"}} class='delete-link'>{{i18n admin.customize.delete}}</a>
  </div>

</div>
{{else}}
  <p class="about">{{i18n admin.customize.about}}</p>
{{/if}}
<div class='clearfix'></div>