Solving the CSS Not Applied Issue in Your React Component

Discover how to solve the common problem of CSS not being applied to components in React applications due to incorrect usage of 'className'.
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Solving the CSS Not Applied Issue in Your React Component

Working with React applications, you may encounter a frustrating scenario where your CSS does not apply to your components, despite having imported the CSS files. This can lead to confusion and hinder your development progress. In this guide, we will explore the reasons behind this issue and provide you with a clear solution.

Understanding the Problem

You import your CSS file correctly.

You write your components using what seems to be valid HTML class attributes.

Yet, the styles do not appear on your UI.

This is the exact problem encountered by developers, where CSS fails to apply even after importation.

Common Mistake: Using classname instead of className

The most common mistake that leads to this issue is related to how classes are assigned in JSX. In React, you should use the attribute className instead of the standard HTML class.

Here's a Typical Example of What Went Wrong

[[See Video to Reveal this Text or Code Snippet]]

Solution: Correcting the Attribute

To resolve the issue, simply replace all instances of classname with className. Here’s how the corrected code should look:

[[See Video to Reveal this Text or Code Snippet]]

Summary of Changes

Replace classname with className in all JSX elements within your component.

Save your changes and restart your development server if necessary.

Conclusion

It’s often the little details that can lead to big headaches in programming. By ensuring that you use className instead of classname, you can effectively resolve the CSS application issue in your React components.

Happy coding, and may your styles shine as brightly as your React application!