@ckeditor/ckeditor5-ui/theme/components/dropdown/toolbardropdown.css

The UI framework and standard UI library of CKEditor 5.

/*
 * Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
 */

:root {
	--ck-toolbar-dropdown-max-width: 60vw;
}

.ck.ck-toolbar-dropdown > .ck-dropdown__panel {
	/* https://github.com/ckeditor/ckeditor5/issues/5586 */
	width: max-content;
	max-width: var(--ck-toolbar-dropdown-max-width);

	& .ck-button {
		&:focus {
			z-index: calc(var(--ck-z-default) + 1);
		}
	}
}