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

.vector-page-titlebar {
	display: flex;

	// Ensure language button or indicators are positioned to the right even when the title is hidden
	justify-content: flex-end;
	// Use box-shadow instead of border to allow border collapsing between titlebar and toolbar
	box-shadow: 0 1px @border-color-base;
	align-items: center;

	&-blank {
		box-shadow: none;
	}

	.firstHeading {
		flex-grow: 1;
		border: 0;
	}

	.vector-page-titlebar-toc {
		&.ve-active {
			display: none !important; /* stylelint-disable-line declaration-no-important */
		}

		.vector-menu-heading {
			// Override the default button styles so the ToC button is slightly shorter when collapsed into the page title
			@media ( max-width: @max-width-tablet ) {
				padding: 7px 12px;
			}
		}
	}
}