How to Handle CSS for Multiple Header header.php Files?
That’s not how you use get_theme_file_uri(); You need to specify the directory RELATIVE to your currently active theme’s directory. So for example, if your currently activated theme is rm-acf1, and all of your custom header CSS files are located in the subfolder hdr-styles. This is your theme directory: ./wp-content/rm-acf1/ This is your header styles directory: … Read more