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How to Fix: CSS Styles Not Loading

Your CSS works in development but styles are missing or broken in production.

css not loadingstyles missing productioncss flashfouc

Symptoms

Page loads without styles briefly (FOUC)

Some styles missing entirely

CSS file returns 404

Common Causes

01

CSS not being extracted to separate files

02

Incorrect asset path in production

03

CSS modules not importing correctly

04

Purge/tree-shaking removing used classes

The DevConsole Solution

DevConsole shows all loaded stylesheets and can identify missing CSS rules.

Step-by-Step Fix

1

Check Network Tab

Verify CSS files are loading with 200 status.

2

Inspect Missing Styles

DevConsole shows which CSS rules apply to elements.

3

Compare Dev vs Prod

See differences in loaded stylesheets.

Frequently Asked Questions

Why does Tailwind purge my classes?

Tailwind removes unused classes. Ensure your content config includes all files with class names.

What's FOUC and how do I prevent it?

Flash of Unstyled Content. Use critical CSS or ensure styles load before render.

Stop debugging blindly

DevConsole gives you the visibility and control to fix issues like css styles not loading in seconds, not hours.

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