@ckeditor/ckeditor5-theme-lark/theme/ckeditor5-list/liststyles.css

A bright theme for CKEditor 5.

/*
 * Copyright (c) 2003-2024, CKSource Holding sp. z o.o. All rights reserved.
 * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
 */

:root {
	--ck-list-style-button-size: 44px;
}

.ck.ck-list-styles-list {
	grid-template-columns: repeat( 3, auto );
	row-gap: var(--ck-spacing-medium);
	column-gap: var(--ck-spacing-medium);
	padding: var(--ck-spacing-large);

	& .ck-button {
		/* Make the button look like a thumbnail (the icon "takes it all"). */
		width: var(--ck-list-style-button-size);
		height: var(--ck-list-style-button-size);
		padding: 0;

		/*
		 * Buttons are aligned by the grid so disable default button margins to not collide with the
		 * gaps in the grid.
		 */
		margin: 0;

		/*
		 * Make sure the button border (which is displayed on focus, BTW) does not steal pixels
		 * from the button dimensions and, as a result, decrease the size of the icon
		 * (which becomes blurry as it scales down).
		 */
		box-sizing: content-box;

		& .ck-icon {
			width: var(--ck-list-style-button-size);
			height: var(--ck-list-style-button-size);
		}
	}
}