@swnat/ckeditor-custom-build/packages/ckeditor5-theme-lark/theme/mixins/_shadow.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
 */

/**
 * A helper to combine multiple shadows.
 */
@define-mixin ck-box-shadow $shadowA, $shadowB: 0 0 {
	box-shadow: $shadowA, $shadowB;
}

/**
 * Gives an element a drop shadow so it looks like a floating panel.
 */
@define-mixin ck-drop-shadow {
	@mixin ck-box-shadow var(--ck-drop-shadow);
}