/*** ====================================================
/*** Dummy CSS Customization file - style-custom.php 

/*** Used in the functions.php:

/*** add_action( 'parse_request', 'my_custom_css' );
/*** function my_custom_css($wp) {
/***     if (!empty( $_GET['custom-content'] ) && $_GET['custom-content'] == 'css' ) {
/***         header( 'Content-Type: text/css' );
/***         require dirname( __FILE__ ) . '/style-custom.php';
/***         exit;
/***     }

/*** ==================================================== ***/