As scheduled, WordPress 4.7 will arrive on 6th December 2016 with a lot of new & exciting features. WordPress 4.7 Release Candidate is already here which you can install and try. Additionally, we have the new default theme Twenty Seventeen ready with all the awesome features of WordPress 4.7. Among all, additional CSS in the Customizer may be the major thing to everyone including normal users, theme & plugin developers.
Additional CSS in WordPress 4.7 is added with the purpose of providing users an access to better theme customization via custom CSS. The feature will be available on WordPress Live Customizer as ‘ Additional CSS’ which will allow users to write custom CSS and make minor styling changes with live previews. You see the changes immediately – without saving and refreshing. Therefore, this feature will surely help you to customize the theme styles more efficiently than before. Read more