# Custom CSS ![Custom CSS settings with the description Adds custom styles to your entire online store, a CSS field with a sample rule, and a Learn more link](https://docs-assets.foxecom.app/minimog-theme/a51b1205-ccc2-4e59-837f-ad9bfdf112b7.png) Change how your store looks when a built-in theme setting doesn't give you the exact layout you want. The **Custom CSS** setting adds your own styles to your entire online store. ## How to edit Custom CSS 1. Open the theme editor (**Edit theme**) and go to **Theme settings**. 2. Open **Custom CSS**. 3. Enter your code in the **CSS** field. 4. Click **Save**. ## Settings | Setting | Description | Options | | ------- | ------------------------------------------------------- | --------------- | | **CSS** | Your own CSS styles, added to your entire online store. | Enter CSS code. |
Custom CSS applies to your entire online store. Check several pages in the theme editor preview to make sure a style only changes what you meant it to. ## Tips and best practices To learn how custom CSS works in Shopify themes, see [Shopify's guide to adding custom CSS](https://help.shopify.com/en/manual/online-store/themes/customizing-themes/edit-code/add-css).