Options for Chatbot button

It would be nice to be able to customize the look/feel of the chatbot button. The current option is nice, but it doesn’t stand out as much as it could, and it doesn’t coordinate with our color scheme:

For example, changing the color of the button:

And potentially changing the icon / text of the button:

Also, having a deeper shadow for both default and hover (hard to see in a screenshot, but helpful):

Thank you for considering!

James