How to Add Call to Action Buttons in WordPress (without Code)
How to Add Toggle Switch Button in WordPress
How to Customize WordPress Website Colors (6 Easy Ways)
Button block: Color picked from the color palette don't change the button's color inside the editor (WP 5.5 beta2) · Issue #23987 · WordPress/gutenberg · GitHub
How to Use the WordPress Buttons Block
How to Add Buttons in WordPress Posts or Pages (Even if You Don't Know How to Code)
A Comprehensive Guide on How to Change Button Color in WordPress