Customize a design theme

---
title: Customize a design theme
description: A theme is a collection of one or more style sheets \(CSS files\) that define a consistent look for a set of pages.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/platform-user-interface/content-management-system/t\_CreateADesignTheme.html
release: brazil
product: Content Management System
classification: content-management-system
topic_type: task
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Design themes, Style in Content Management, Configure Content Management sites, Content Management System, Configure UIs and portals, Configure user experiences]
---

# Customize a design theme

A theme is a collection of one or more style sheets \(CSS files\) that define a consistent look for a set of pages.

## Before you begin

Role required: content\_admin or admin

## About this task

Themes can be invoked in any of the following ways.

-   Directly by content pages.
-   As the default theme of a content site.
-   On the configuration page as a global default.

## Procedure

1.  Navigate to **All** > **Content Management** > **Design** > **Themes**.

2.  Click **New**.

3.  Type a name for the theme and mark it as Active.

4.  Right-click the form header and click **Save**

    The **Style Sheet** related list appears.

5.  Use the **Style Sheet** related list to add style sheets to the theme.


**Parent Topic:**[Design themes](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/platform-user-interface/content-management-system/c_DesignThemes.md)