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

<section class="gh-canvas">
    <GhCanvasHeader class="gh-canvas-header">
        <h2 class="gh-canvas-title" data-test-screen-title>
            <LinkTo @route="settings">Settings</LinkTo>
            <span>{{svg-jar "arrow-right"}}</span>
            Membership
        </h2>
        <section class="view-actions">
            <GhTaskButton
                @buttonText="Save settings"
                @task={{this.saveSettingsTask}}
                @successText="Saved"
                @runningText="Saving"
                @class="gh-btn gh-btn-primary gh-btn-icon"
                data-test-button="save-settings"
            />
        </section>
    </GhCanvasHeader>

    <section class="view-container settings-debug">
        <div class="gh-main-section">
            <h4 class="gh-main-section-header small">Portal settings</h4>
        </div>
        <div class="flex flex-row pa2">
            <div class="flex-grow-1">
                <h4>Portal Settings</h4>
                <span>Customize members modal signup flow</span>
            </div>
            <div>
                <button type="button" class="gh-btn gh-btn-green gh-btn-outline" {{action (toggle "showPortalSettings" this)}} data-test-toggle-membersFrom>
                    <span> Customise Portal </span>
                </button>
            </div>
        </div>
    </section>

    <section class="view-container settings-debug">
        <div class="gh-main-section">
            <h4 class="gh-main-section-header small">Access and payments</h4>
        </div>
        <Settings::MembersSubscriptionAccess />
        <Settings::MembersDefaultPostAccess />
    </section>

    {{#if this.showLeaveSettingsModal}}
        <GhFullscreenModal
            @modal="leave-settings"
            @confirm={{this.confirmLeave}}
            @close={{this.cancelLeave}}
            @modifier="action wide"
        />
    {{/if}}
    {{#if this.showPortalSettings}}
        <GhFullscreenModal @modal="portal-settings"
            @model={{hash
                openStripeSettings=(action "openStripeSettings")
            }}
            @close={{action "closePortalSettings"}}
            @modifier="full-overlay portal-settings" />
    {{/if}}
</section>