@swnat/ckeditor-custom-build/packages/ckeditor5-list/theme/liststyles.css

The development environment of CKEditor 5 – the best browser-based rich text editor.

/*
 * Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
 */

.ck.ck-list-styles-dropdown > .ck-dropdown__panel > .ck-toolbar > .ck-toolbar__items {
	/*
	 * Use the benefits of the toolbar (e.g. out-of-the-box keyboard navigation) but make it look
	 * like a panel with thumbnails (previews).
	 */
	display: grid;
}