## Block Variations
- [css-tricks.com - How to Use Block Variations in WordPress](https://css-tricks.com/how-to-use-block-variations-in-wordpress/)
- [developer.wordpress.org - Block Editor Handbook](https://developer.wordpress.org/block-editor/developers/filters/block-filters/#block-style-variations)
- [Example in Amnesty site](https://bitbucket.org/HTML24DK/6312/commits/52183aa60fb86f8e6a0e6e3074d5f08c6d57c86c#chg-amnesty-wp-theme/private/src/scripts/blocks.js)