Embracing CSS Modules in React

Anant
4 min readDec 4, 2023
Photo by Kevin Ku on Unsplash

Introduction to CSS Modules

CSS Modules represent a paradigm shift in the way we handle styling in web applications, particularly in React. They offer a solution to some of the common problems encountered with traditional CSS, like global scope and class name conflicts.

What are CSS Modules?

CSS Modules are CSS files in which all class names and animation names are scoped locally by default. They are not global, which means the styles defined in a CSS Module are available only for the component that imports it. This local scope ensures that styles do not conflict with each other across your application.

How CSS Modules Work

When you import a CSS Module into a React component, the class names are transformed into unique identifiers. For example, a .button class in your Button.module.css might be transformed into something like .Button_button__3KqPt. This transformation ensures that class names are unique globally, even if they are the same in the source CSS files.

Setting Up CSS Modules in React

To use CSS Modules in React, you typically follow these steps:

  1. Name Your CSS Files Appropriately: Conventionally, CSS Module files are named with the…

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