I am not using PostCSS myself, therefore I cannot help you but it would speed things up, if you shared your project for the others in this forum to have a look and see how they can help you.
Also see the Requesting Help guidelines.
I am not using PostCSS myself, therefore I cannot help you but it would speed things up, if you shared your project for the others in this forum to have a look and see how they can help you.
Also see the Requesting Help guidelines.