Fatal error: Uncaught Error: Class "Sabberworm\CSS\Value\CSSFunction" not found in /users/danielstruebig/www/firma/vendor/sabberworm/php-css-parser/src/Value/Color.php:14 Stack trace: #0 {main} thrown in /users/danielstruebig/www/firma/vendor/sabberworm/php-css-parser/src/Value/Color.php on line 14