1. Go to this page and download the library: Download rohan2388/wp-css library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
rohan2388 / wp-css example snippets
$css = new \RD\WP\CSS();
$css->add_rule() // Select base class
->add_prop('color', '#000000');
$css->add_rule('a') // Select all <a>
->add_prop('text-decoration', 'none');
html
use \RD\WP\Styles;
Styles::init();
Styles::add_rule('.text')
->add_prop( 'color', 'red');