Service Description: I can change color, size, font, padding, margin and general style changes that is not included in WordPress theme option panel. Basic CSS customization for your WordPress Theme include up to 5 individual changes. The changes does not affect the WordPress theme update. Briefing Details: Every changes should include a reference to the page or pages it should effect. While most WordPress theme allow for CSS changes to be made from an administration account and some will need FTP access or installation of a custom CSS WordPress plugin.