Hello, @microw007,
1- Your issue is resolved now please check back to your site after clearing the browser cache. It solves with the help of a custom CSS code check image here: https://postimg.cc/8Jj3xDR9
2- As you know that it is not a button check image: https://postimg.cc/RNc02Th4 so to set the color on it requires custom CSS code. I have set the code on your site with the colors you told us: https://postimg.cc/9DQj1Pqx Please check back to your site after clearing the browser cache.
Regards 8Themes Team.