Thank you Gu for the code and your explain please see the screenshots I created 3 buttons and name them Menu1 Menu2 Menu3 and 3 container and name them StickyNavBarMenu1 StickyNavBarMenu2 and StickyNavBarMenu3 But unfortunately it’s not working! something might be wrong Could you kindly let me know where please?You know how can I add an effect to the container when they appear like the link below?
https://demo.accesspressthemes.com/wordpress-plugins/wp-floating-menu-pro/sticky-menu-demo/