themes-wordpress/seedlet/assets/sass/blocks/_editor.scss

// Block Styles for the Editor
// - These styles replace key Gutenberg Block styles for fonts, colors, and
//   spacing with CSS-variables overrides in the Block Editor
// - In the future the Block styles may get compiled to individual .css
//   files and conditionally loaded

@import "button/editor";
@import "calendar/style";
@import "code/style";
@import "cover/editor";
@import "file/editor";
@import "gallery/editor";
@import "group/editor";
@import "heading/editor";
@import "image/editor";
@import "latest-comments/editor";
@import "latest-posts/editor";
@import "legacy/editor"; // "Blocks" from the legacy WP editor, ie: galleries, .button class, etc.
@import "list/editor";
@import "paragraph/editor";
@import "posts-list/editor";
@import "pullquote/editor";
@import "quote/editor";
@import "search/style";
@import "separator/editor";
@import "slideshow/editor";
@import "table/editor";
@import "verse/style";
@import "utilities/editor"; // Import LAST to cascade properly