mediawiki-skins-Vector/resources/skins.vector.styles/components/PinnableHeader.less

.vector-pinnable-header {
	border-bottom: @border-width-base @border-style-base @colorGray14;
}

.vector-menu-dropdown .vector-pinnable-header {
	// Match dropdown item styles
	// Line height needed for vertically centering pinnable header
	line-height: @height-dropdown-menu-item;
	padding: @padding-dropdown-menu-item;
}

.vector-pinnable-header-label {
	display: inline-block;
	color: @color-base--subtle;
	font-size: unit( 14 / @font-size-browser, rem );
	margin: 0;
	padding: 0;
	border: 0;
}

// Styles for the "move to sidebar/hide" buttons, hidden by default.
.vector-pinnable-header-toggle-button {
	display: none;
	border: 0;
	padding: 0;
	background-color: transparent;
	color: @color-primary;
	cursor: pointer;

	&:hover {
		color: @color-primary--hover;
	}

	&:before {
		content: '@{msg-brackets-start}';
		color: @color-base--subtle;
	}

	&:after {
		content: '@{msg-brackets-end}';
		color: @color-base--subtle;
	}
}

.client-js {
	// Pinnable behavior is only enabled when JS is on
	.vector-pinnable-header-unpinned .vector-pinnable-header-pin-button,
	.vector-pinnable-header-pinned .vector-pinnable-header-unpin-button {
		display: inline-block;
	}
}