Are there any problems with using a non-.css file extension for stylesheets?

Is it problematic to use non-standard file extensions for stylesheets, such as .php or .less instead of .css?

I am curious if this practice may cause issues with older browsers or mobile devices, and whether it impacts the caching of the file.

Answer №1

If you want to display CSS on your website, you can either use PHP to send the header like this:

header('Content-Type: text/css');
or configure your server to recognize the file extension as a CSS mime type.

Regardless of the file extension, browsers will read the file correctly as long as the mime type is set to CSS.

For parsing Less files with Nginx, check out this tutorial on how to do it on the fly: parse less files

If you're using PHP and Less, here's another helpful resource: here

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