Kadence allows you to change the appearance of buttons throughout your site by changing their settings in the Customizer.
To get started go to Appearance > Customize in the WordPress admin then General and Buttons.

Here you can change
- Text color in the initial and hover states
- Background color in the initial and hover states
- Border color in the initial and hover states
- Borders for Desktop, Tablet and Mobile
- Border Radius for Desktop, Tablet and Mobile
- Font family, Font weight, Font size
- Padding for Desktop, Tablet and Mobile