Ghost/ghost/admin/app/templates/settings/design.hbs

<section class="gh-canvas">
    <header class="gh-canvas-header">
        <h2 class="gh-canvas-title">Design</h2>
        <section class="view-actions">
            {{#gh-spin-button class="gh-btn gh-btn-blue" action="save" submitting=submitting}}<span>Save</span>{{/gh-spin-button}}
        </section>
    </header>

    <section class="view-container">
        <div class="gh-setting-header">Navigation</div>
        <div class="gh-setting">
            <div class="gh-setting-content">
                <form id="settings-navigation" class="gh-blognav" novalidate="novalidate">
                    {{#sortable-group onChange=(action 'reorderItems') as |group|}}
                        {{#each model.navigation as |navItem|}}
                            {{gh-navitem navItem=navItem baseUrl=blogUrl addItem="addNavItem" deleteItem="deleteNavItem" updateUrl="updateUrl" group=group}}
                        {{/each}}
                    {{/sortable-group}}
                    {{gh-navitem navItem=newNavItem baseUrl=blogUrl addItem="addNavItem" updateUrl="updateUrl"}}
                </form>
            </div>
        </div>

        <div class="gh-setting-header">Themes</div>
        <div class="gh-setting">
            <div class="gh-setting-content">
                <div class="settings-themes">
                    {{gh-theme-table
                            themes=themes
                            activeTheme=model.activeTheme
                            activateTheme=(action "setTheme")
                            downloadTheme=(action "downloadTheme")
                            deleteTheme=(action "deleteTheme")}}

                    <div class="form-group">
                        {{#link-to "settings.design.uploadtheme" class="gh-btn gh-btn-green" data-test-upload-theme-button=true}}
                            <span>Upload a theme</span>
                        {{/link-to}}
                    </div>

                    {{#if showDeleteThemeModal}}
                        {{gh-fullscreen-modal "delete-theme"
                                model=(hash
                                    theme=themeToDelete
                                    download=(action "downloadTheme" themeToDelete)
                                )
                                close=(action "hideDeleteThemeModal")
                                confirm=(action "deleteTheme")
                                modifier="action wide"}}
                    {{/if}}
                </div>
            </div>
        </div>
    </section>
</section>

{{outlet}}