@ckeditor/ckeditor5-ui/theme/globals/_poweredby.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 {
	/* where 7.5(px) is the font size of the powered by label and 13(px) is the base font size. */
	--ck-powered-by-font-size: calc(var(--ck-font-size-base) * 7.5 / 13);
	/* where 10(px) is the line height of the powered by label and 13(px) is the base font size. */
	--ck-powered-by-line-height: calc(var(--ck-font-size-base) * 10 / 13);
	/* where -0.2(px) is the letter spacing of the powered by label and 13(px) is the base font size. */
	--ck-powered-by-letter-spacing: calc(var(--ck-font-size-base) * -0.2 / 13);
	--ck-powered-by-padding-vertical: 2px;
	--ck-powered-by-padding-horizontal: 4px;
	--ck-powered-by-text-color: hsl(0, 0%, 31%);
	--ck-powered-by-border-radius: var(--ck-border-radius);
	--ck-powered-by-background: hsl(0, 0%, 100%);
	--ck-powered-by-border-color: var(--ck-color-focus-border);

	--ck-powered-by-svg-width: 53;
	--ck-powered-by-svg-height: 10;
	--ck-powered-by-icon-width: calc(var(--ck-font-size-base) * var(--ck-powered-by-svg-width) / 13);
	--ck-powered-by-icon-height: calc(var(--ck-font-size-base) * var(--ck-powered-by-svg-height) / 13);
}

.ck.ck-balloon-panel.ck-powered-by-balloon {
	--ck-border-radius: var(--ck-powered-by-border-radius);

	box-shadow: none;
	background: var(--ck-powered-by-background);
	min-height: unset;
	z-index: calc( var(--ck-z-panel) - 1 );

	& .ck.ck-powered-by {
		line-height: var(--ck-powered-by-line-height);

		& a {
			cursor: pointer;
			display: flex;
			align-items: center;
			opacity: .66;
			filter: grayscale(80%);
			line-height: var(--ck-powered-by-line-height);
			padding: var(--ck-powered-by-padding-vertical) var(--ck-powered-by-padding-horizontal);
		}

		& .ck-powered-by__label {
			font-size: var(--ck-powered-by-font-size);
			letter-spacing: var(--ck-powered-by-letter-spacing);
			padding-left: 2px;
			text-transform: uppercase;
			font-weight: bold;
			margin-right: 4px;
			cursor: pointer;
			line-height: normal;
			color: var(--ck-powered-by-text-color);

		}

		& .ck-icon {
			display: block;
			cursor: pointer;
			width: var(--ck-powered-by-icon-width);
			height: var(--ck-powered-by-icon-height);
		}

		&:hover {
			& a {
				filter: grayscale(0%);
				opacity: 1;
			}
		}
	}

	&[class*="position_inside"] {
		border-color: transparent;
	}

	&[class*="position_border"] {
		border: var(--ck-focus-ring);
		border-color: var(--ck-powered-by-border-color);
	}
}