WordPress/wp-includes/blocks/buttons/block.json

{
	"$schema": "https://schemas.wp.org/trunk/block.json",
	"apiVersion": 2,
	"name": "core/buttons",
	"title": "Buttons",
	"category": "design",
	"description": "Prompt visitors to take action with a group of button-style links.",
	"keywords": [ "link" ],
	"textdomain": "default",
	"supports": {
		"anchor": true,
		"align": [ "wide", "full" ],
		"__experimentalExposeControlsToChildren": true,
		"spacing": {
			"blockGap": true,
			"margin": [ "top", "bottom" ],
			"__experimentalDefaultControls": {
				"blockGap": true
			}
		},
		"typography": {
			"fontSize": true,
			"lineHeight": true,
			"__experimentalFontFamily": true,
			"__experimentalFontWeight": true,
			"__experimentalFontStyle": true,
			"__experimentalTextTransform": true,
			"__experimentalTextDecoration": true,
			"__experimentalLetterSpacing": true,
			"__experimentalDefaultControls": {
				"fontSize": true
			}
		},
		"__experimentalLayout": {
			"allowSwitching": false,
			"allowInheriting": false,
			"default": {
				"type": "flex"
			}
		}
	},
	"editorStyle": "wp-block-buttons-editor",
	"style": "wp-block-buttons"
}