INFINITO v1.1 is a Premium WordPress plugin that will allow you to add custom CSS only for chosen pages or posts and also for your entire website. No matter how often you’ll update the theme, your work will not be overwritten by the theme update. Each page and each post will have the option to define custom css only for them. With this, You have the option to add custom CSS for your entire website. for more information about this WordPress Custom CSS plugin please click On Demo Button.