wp.domReady(function () {
	wp.blocks.registerBlockStyle('core/button', {
		name: 'with-arrow',
		label: 'With Arrow',
	});
	wp.blocks.registerBlockStyle('core/button', {
		name: 'link-btn',
		label: 'Link Btn',
	});
  	wp.blocks.registerBlockStyle('core/list', {
		name: 'check',
		label: 'check mark',
	});
});