---
title: "What is a modifier?"
date: "2018-03-24T20:28:32+00:00"
summary: "Learn how modifiers enhance your CSS styling by applying conditional properties based on specific classes, IDs, or attributes. Discover techniques to create more dynamic and flexible designs in Site Studio."
image:
type: "article"
url: "/drupal-starter-kits/add-ons/site-studio/help/65701-what-modifier"
id: "5c0a4a16-4f5e-45f9-ade9-e8149d21a2a1"
---

Modifiers allow you to apply styles to an element when a specific class, id or attribute is present.

You can apply CSS properties to a style that only take effect when a specific class, id or attribute is added to the element you are targeting. For more information, see [Using modifier classes and id's.](https://sitestudiodocs.acquia.com/6.0/user-guide/using-modifier-classes-and-ids "Using modifier classes and ID's")