Where can I add in my own CSS to Sticky Buy Now Button? Norton Chris June 11, 2018 23:06 Follow To add your own custom CSS: Open the app Click Advanced Settings Enter your CSS in the Custom CSS field Save your changes Related articles How do I install Stick Buy Now Button? The Sticky Buy Now Button bar isn't appearing How do I customize the style, background color, etc of the discount table and cart page widgets? The buy button, variant pickers, etc in the Sticky Buy Now Button bar look funny or are the wrong size I've upgraded or changed themes. How do I reinstall Sticky Buy Now Button? Comments 0 comments Article is closed for comments.