mediawiki-skins-Citizen/resources/skins.citizen.styles/components/Menu.less

.citizen-menu {
	&__heading {
		&-label {
			display: block;
			padding: 0.625rem var( --space-md );
			margin: 0;
			color: var( --color-base--subtle );
			font-size: inherit;
			font-weight: var( --font-weight-normal );
			letter-spacing: 0.05em;
		}
	}
}

// FIXME: This should not be here
.citizen-ui-icon {
	display: block;
	width: var( --size-icon );
	height: var( --size-icon );
	contain: strict;

	&:before {
		display: block;
		width: 100%;
		height: 100%;
		background-position: center;
		background-repeat: no-repeat;
		background-size: contain;
		content: '';
		opacity: var( --opacity-icon-base );
	}
}

/**
 * Invisible checkbox covering the menu button.
 */
.citizen-menu-checkbox {
	// Has to be visible to be focusable
	&-checkbox {
		position: absolute;
		z-index: 1;
		top: 0;
		left: 0;
		width: 0;
		height: 0;
		padding: 0;
		margin: 0;
		opacity: 0;

		// HACK: Fake focus styles
		&:focus {
			& + .citizen-header__button,
			& + .citizen-menu-checkbox-button {
				outline: 2px solid var( --color-primary );
				outline-offset: 1px;
			}
		}
	}

	&-button {
		cursor: pointer;

		// Icons have to use span inside label elements
		> span:not( .citizen-ui-icon ) {
			.mixin-screen-reader-text;
		}
	}
}

.mw-portlet {
	// Hide selected item
	.selected {
		.mixin-screen-reader-text;
	}

	// Hide empty menu
	&-empty {
		display: none !important;
	}
}

.skin-citizen-dark {
	.citizen-ui-icon:before {
		filter: invert( 1 );
	}

	.mw-portlet a:after {
		filter: invert( 1 );
	}
}