@steroidsjs/ckeditor5/packages/ckeditor5-ui/theme/components/toolbar/blocktoolbar.css

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

/*
 * Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
 */

.ck.ck-block-toolbar-button {
	position: absolute;
	z-index: var(--ck-z-default);
}